United Airlines lookalike domains
Greyphish has recorded 635 domains that resemble United Airlines since February 2026, 214 of them in the last 90 days. Most of them (80%) are combosquats: United Airlines spelled correctly with a word added, most often “service”, “app”, “web”. .com carries 55% of them, out of 73 endings in all. The pace has picked up, with 161 in the last 30 days against 17 in the 30 before. The busiest week began 5 October 2026, with 97 new ones. 34 certificates for unregistered .ph, .com.ph, .org.ph names (registry wildcard) are excluded: the registry answers for any name under those endings, so nobody had to register one to get a certificate for it.
Data as of . Public sources only.
What kind of lookalikes
One or two keystrokes away from the real name: a letter dropped, doubled, swapped or mistyped. More
A letter swapped for one that looks the same, in ASCII or in Unicode written as punycode. More
Words most often added to the name in the last 90 days: service (42), app (28), web (28), online (12), support (11), get (7).
Lookalikes per week
Show as a table
| Week of | Typo | Combo | Homoglyph | Total |
|---|---|---|---|---|
| 2026-04-20 | 4 | 8 | 0 | 12 |
| 2026-04-27 | 3 | 5 | 0 | 8 |
| 2026-05-04 | 0 | 38 | 0 | 38 |
| 2026-05-11 | 2 | 19 | 0 | 21 |
| 2026-05-18 | 1 | 4 | 0 | 5 |
| 2026-05-25 | 0 | 13 | 0 | 13 |
| 2026-06-01 | 0 | 10 | 0 | 10 |
| 2026-06-08 | 1 | 4 | 1 | 6 |
| 2026-06-15 | 0 | 4 | 0 | 4 |
| 2026-06-22 | 1 | 1 | 1 | 3 |
| 2026-06-29 | 1 | 3 | 0 | 4 |
| 2026-07-06 | 3 | 9 | 0 | 12 |
| 2026-07-13 | 2 | 4 | 0 | 6 |
| 2026-07-20 | 3 | 4 | 1 | 8 |
| 2026-07-27 | 1 | 9 | 1 | 11 |
| 2026-08-03 | 1 | 5 | 1 | 7 |
| 2026-08-10 | 1 | 8 | 0 | 9 |
| 2026-08-17 | 0 | 9 | 0 | 9 |
| 2026-08-24 | 1 | 0 | 0 | 1 |
| 2026-08-31 | 1 | 0 | 0 | 1 |
| 2026-09-07 | 0 | 2 | 0 | 2 |
| 2026-09-14 | 1 | 2 | 0 | 3 |
| 2026-09-21 | 0 | 3 | 0 | 3 |
| 2026-09-28 | 4 | 27 | 0 | 31 |
| 2026-10-05 | 0 | 96 | 1 | 97 |
| 2026-10-12 | 0 | 27 | 0 | 27 |
Endings
The 8 most used of the 73 top-level domains these lookalikes sit under.
| Ending | Lookalikes | Share |
|---|---|---|
| .com | 349 | 55.0% |
| .org | 34 | 5.3% |
| .de | 32 | 5.0% |
| .xyz | 23 | 3.6% |
| .net | 21 | 3.3% |
| .co.uk | 14 | 2.2% |
| .co | 10 | 1.6% |
| .online | 10 | 1.6% |
Where they are registered
For the 386 with a registrar in WHOIS (61% of all). Brand-protection registrars mostly hold defensive registrations made by brands themselves, so a domain there is more likely the brand's own than an imitation.
| Registrar | Lookalikes | Share | Type |
|---|---|---|---|
| GoDaddy | 91 | 23.6% | Retail |
| Name SRS | 38 | 9.8% | Retail |
| Dynadot | 21 | 5.4% | Retail |
| NameBright | 18 | 4.7% | Retail |
| Namecheap | 18 | 4.7% | Retail |
| Squarespace | 14 | 3.6% | Retail |
| Tucows | 14 | 3.6% | Retail |
| Cloudflare | 13 | 3.4% | Retail |
What the live ones do
229 of these lookalikes were registered and checked for a website and mail: 139 (61%) served a website and 150 (66%) publish MX records, so they can receive email. Checks run on the higher-severity matches that resolve, not on every lookalike.
Google Web Risk lists none of the 120 live ones checked against it (0%).
145 were tracked while live and 3 have since gone down. See what to do about a lookalike.
Recent examples
The 10 most recent, written with [.] so they cannot be clicked. The brand's own domains and registrations held by brand-protection registrars are left out. A lookalike resembles United Airlines; it is not necessarily malicious, and none of these is a claim about who registered it or why.
unitedservices[.]centerCombo, Oct 14MX recordsuniteddirectins[.]comCombo, Oct 14Serves a websiteMX recordsunitedappraisalvaluations[.]comCombo, Oct 14Serves a websiteMX recordsunitedservicedogs[.]orgCombo, Oct 13Not checkedunitedappraisalservices[.]netCombo, Oct 13Serves a websiteunitedaccountingservices[.]comCombo, Oct 13Serves a websiteMX recordsunited24service[.]ruCombo, Oct 13Serves a websiteMX recordsunitedsupportservices[.]usCombo, Oct 13No site or mail when checkedunitedapparel[.]com[.]auCombo, Oct 13No site or mail when checkedunitedwebdevelopers[.]comCombo, Oct 13Serves a websiteMX records
Or watch it free: Greyphish tells you when a new lookalike of your domain is registered or goes live.
Further reading
More in travel
Greyphish is not affiliated with United Airlines. Domains listed resemble United Airlines by spelling; registration alone says nothing about intent. Counts cover domains first seen in public Certificate Transparency logs and ICANN zone files; domains that Greyphish customers watch are excluded.