DNJournl.com is a website that started reporting domain sales since 2004 here is a list of top domains sold as reported by DNJournal and Namebio Both reports are interesting. Here I have copied data from Namebio and added my own analysis.
This analysis does not look at price but it looks at other parameters such as language, length, business category, etc. Adult names were avoided.
As per my analysis, the following are the business categories that represent the highest reported domain sales
| Category | Number of Domains |
| Finance | 18 |
| Travel and Tours | 12 |
| Communication & Technology | 12 |
| Marketing & Business | 8 |
| Online Retail and Relationships | 8 |
| Unknown | 7 |
| Games | 6 |
| Fashion and Clothing | 4 |
| Food | 3 |
| Entertainment | 2 |
| Health | 2 |
| Security | 2 |
| Autos | 1 |
| Gold & Diamond | 1 |
| Adult | 14 |
Below is a list of domains which is categories as per word language, acronym, numeral, etc.
| Category | Domains Sold | % |
| Single English Word | 46 | 46.00% |
| Keyword Based | 8 | 8.00% |
| Acronym | 19 | 19.00% |
| Country | 5 | 5.00% |
| Foreign Word | 2 | 2.00% |
| People | 2 | 2.00% |
| Number/Numeral | 4 | 4.00% |
| Company | 1 | 1.00% |
| Adult/Gambling | 13 | 13.00% |
| Total | 100 | 100.00% |
Here are the sales without a price but include categories shown above.
| Rank | Domain | Length | Word | Biz Category | Count |
| #1 | voice.com | 5 | English Word | Communication | 12 |
| #4 | fund.com | 4 | English Word | Finance | 18 |
| #7 | fb.com | 2 | ACRONYM | Communication | 12 |
| #8 | healthinsurance.com | 15 | keyword based | Health | 2 |
| #9 | we.com | 2 | ACRONYM | Unknown | 7 |
| #10 | diamond.com | 7 | English Word | Gold & Diamond | 1 |
| #12 | z.com | 1 | ACRONYM | Finance | 18 |
| #13 | slots.com | 5 | English Word | marketing | 8 |
| #15 | toys.com | 4 | English Word | games | 6 |
| #16 | korea.com | 5 | country | travel | 12 |
| #17 | asseenontv.com | 10 | keyword based | marketing | 8 |
| #18 | clothes.com | 7 | English Word | fashion | 4 |
| #19 | ig.com | 2 | ACRONYM | Finance | 18 |
| #20 | yp.com | 2 | ACRONYM | marketing | 8 |
| #21 | hg.com | 2 | ACRONYM | food | 3 |
| #22 | mi.com | 2 | ACRONYM | Communication | 12 |
| #23 | ice.com | 3 | ACRONYM | Finance | 18 |
| #24 | shop.com | 4 | English Word | Online | 8 |
| #26 | altavista.com | 9 | keyword based | Online | 8 |
| #27 | software.com | 8 | English Word | Communication | 12 |
| #29 | california.com | 11 | country | travel | 12 |
| #31 | candy.com | 5 | English Word | food | 3 |
| #33 | loans.com | 5 | English Word | Finance | 18 |
| #35 | fly.com | 3 | ACRONYM | travel | 12 |
| #36 | creditcards.com | 11 | keyword based | Finance | 18 |
| #37 | lotto.com | 5 | English Word | Finance | 18 |
| #38 | pizza.com | 5 | English Word | food | 3 |
| #40 | tom.com | 3 | ACRONYM | Online | 8 |
| #41 | investing.com | 9 | English Word | Finance | 18 |
| #42 | youxi.com | 5 | Foreign | games | 6 |
| #43 | kk.com | 2 | ACRONYM | Unknown | 7 |
| #44 | pharmacy.com | 8 | English Word | Health | 2 |
| #45 | coupons.com | 7 | English Word | marketing | 8 |
| #46 | autos.com | 5 | English Word | Autos | 1 |
| #47 | delta.com | 5 | English Word | travel | 12 |
| #48 | vivo.com | 4 | English Word | Communication | 12 |
| #49 | 114.com | 3 | Number | Unknown | 7 |
| #50 | computer.com | 8 | English Word | Communication | 12 |
| #51 | zoom.com | 4 | English Word | Communication | 12 |
| #52 | eth.com | 3 | ACRONYM | Finance | 18 |
| #53 | freedom.com | 7 | English Word | Finance | 18 |
| #54 | express.com | 7 | English Word | fashion | 4 |
| #55 | telephone.com | 9 | English Word | Communication | 12 |
| #56 | england.com | 7 | country | travel | 12 |
| #57 | 37.com | 2 | Number | games | 6 |
| #58 | savings.com | 7 | English Word | Finance | 18 |
| #59 | 01.com | 2 | Number | Unknown | 7 |
| #60 | seniors.com | 7 | English Word | fashion | 4 |
| #61 | mortgage.com | 8 | English Word | Finance | 18 |
| #63 | 20.com | 2 | Number | Online | 8 |
| #64 | dating.com | 6 | English Word | Online | 8 |
| #65 | auction.com | 7 | English Word | Finance | 18 |
| #66 | datarecovery.com | 12 | keyword based | Security | 2 |
| #67 | branson.com | 7 | People | travel | 12 |
| #68 | ticket.com | 6 | English Word | travel | 12 |
| #69 | eko.com | 3 | ACRONYM | entertainment | 2 |
| #70 | russia.com | 6 | country | travel | 12 |
| #71 | tandberg.com | 8 | company | Communication | 12 |
| #72 | cameras.com | 7 | English Word | Security | 2 |
| #73 | marketingtoday.com | 14 | keyword based | marketing | 8 |
| #74 | deposit.com | 7 | English Word | Finance | 18 |
| #76 | vip.com | 3 | ACRONYM | Online | 8 |
| #77 | ebet.com | 4 | keyword based | Finance | 18 |
| #78 | men.com | 3 | ACRONYM | Online | 8 |
| #79 | banks.com | 5 | English Word | Finance | 18 |
| #80 | power.com | 5 | English Word | Communication | 12 |
| #81 | tm.com | 2 | ACRONYM | Online | 8 |
| #82 | jade.com | 4 | English Word | travel | 12 |
| #83 | photo.com | 5 | English Word | entertainment | 2 |
| #84 | vista.com | 5 | English Word | marketing | 8 |
| #85 | feedback.com | 8 | English Word | marketing | 8 |
| #86 | super.com | 5 | English Word | games | 6 |
| #87 | myworld.com | 7 | keyword based | marketing | 8 |
| #88 | la.com | 2 | ACRONYM | Unknown | 7 |
| #89 | mm.com | 2 | ACRONYM | Unknown | 7 |
| #90 | find.com | 4 | English Word | Unknown | 7 |
| #91 | phone.com | 5 | English Word | Communication | 12 |
| #92 | scores.com | 6 | English Word | games | 6 |
| #93 | kredit.de | 6 | Foreign | Finance | 18 |
| #94 | dxl.com | 3 | ACRONYM | fashion | 4 |
| #95 | chinese.com | 7 | country | travel | 12 |
| #96 | flying.com | 6 | English Word | travel | 12 |
| #97 | call.com | 4 | English Word | Communication | 12 |
| #98 | mercury.com | 7 | English Word | Finance | 18 |
| #99 | bingo.com | 5 | English Word | games | 6 |
| #100 | cruises.co.uk | 7 | English Word | travel | 12 |
Finance, Travel, and Communication & Technology marketing & business categories are high paying as they constitute nearly 60% of customers.
Also, most customers prefer English dictionary-based words and short acronyms that are limited to 3 letters or very short numerals.
Download the spreadsheet if you want to further filter or edit it.