certifyos.com

Technologies

Domain history

1. 2026-08-03 A 76.76.21.21 stopped resolving
2. 2026-07-18 Next.js detected
3. 2026-07-18 Vercel detected
4. 2026-07-15 TXT record first seen: openai-domain-verification=dv-RdZwueiyuIUll1J1Q7UUkZ4z
5. 2026-07-15 TXT record first seen: slack-domain-verification=0DmXbAO1Q9m18wB8QtRgSplOveUkwUQmV3…
6. 2026-07-15 Nameserver ns-229.awsdns-28.com added
7. 2026-07-15 Nameserver ns-540.awsdns-03.net added
8. 2026-07-15 MX record aspmx.l.google.com first seen
9. 2026-07-15 MX record alt2.aspmx.l.google.com first seen
10. 2026-07-15 MX record alt1.aspmx.l.google.com first seen
11. 2026-07-15 MX record alt3.aspmx.l.google.com first seen
12. 2026-07-15 MX record alt4.aspmx.l.google.com first seen
13. 2026-07-15 TXT record first seen: google-site-verification=XnjLyPnVmo4Uv0VXCZbJK5i-FuyNjwXUnK_…
14. 2026-07-15 TXT record first seen: google-site-verification=gXM7b_Y0E7qJx6mvtCTh9BFYs6TuhpNrJec…
15. 2026-07-15 TXT record first seen: google-site-verification=p762uv2CikTo_usgKhGoR5nYA5l6Q4mssCk…
16. 2026-07-15 TXT record first seen: google-site-verification=r1UJ4-srilOhLY4Gw6DqT2sokT6qUnFWIUw…
17. 2026-07-15 A 76.76.21.21 started resolving
18. 2026-07-15 Nameserver ns-1839.awsdns-37.co.uk added
19. 2026-07-15 TXT record first seen: pardot1005922=bac531352b7f1b52af2dc9f2a3438217c0986ab4f72436…
20. 2026-07-15 TXT record first seen: whimsical=081fb2387797ee140fc48f2b5977bedd7b018444
21. 2026-07-15 TXT record first seen: v=spf1 include:40166028.spf01.hubspotemail.net include:_spf.…
22. 2026-07-15 TXT record first seen: postman-domain-verification=1dd336e06f95914252964d67729bab70…
23. 2026-07-15 TXT record first seen: MS=2C95DB8A94DDA0E31A270C9AF001989E498C535
24. 2026-07-15 TXT record first seen: airtable-verification=83fc00f1a4027976ebcfe05fbbcedb0a
25. 2026-07-15 TXT record first seen: anthropic-domain-verification-y9tdzg=lWr1B6BnpnEyj7bGxB4t1ZM…
26. 2026-07-15 TXT record first seen: apple-domain-verification=C5ARCoxb7WrHOGhL
27. 2026-07-15 TXT record first seen: atlassian-domain-verification=Cx7/Nji0gldU3NnnQMUNawj62VnE9n…
28. 2026-07-15 TXT record first seen: atlassian-sending-domain-verification=d8c60223-4fab-4aef-b07…
29. 2026-07-15 TXT record first seen: cursor-domain-verification-q4ffx7=6qhvE9CatPnr2Y6WDatwhEa4o
30. 2026-07-15 TXT record first seen: google-site-verification=84f823e7-f20e-4aa3-aebb-93b6fd938e3…
31. 2026-07-15 TXT record first seen: google-site-verification=AFi4l4IDNgcA2XmImxUVA59cyZ5v65u54op…
32. 2026-07-15 TXT record first seen: google-site-verification=S_Ux3dbZ9eYHFfq-mjEk7ZMf4CgPg-LZyPU…
33. 2026-07-15 Nameserver ns-1115.awsdns-11.org added
34. 2026-07-15 Domain discovered via Certificate Transparency

TXT records

• google-site-verification=XnjLyPnVmo4Uv0VXCZbJK5i-FuyNjwXUnK_JX4qm_xE
• google-site-verification=gXM7b_Y0E7qJx6mvtCTh9BFYs6TuhpNrJecz8gXGgK8
• google-site-verification=p762uv2CikTo_usgKhGoR5nYA5l6Q4mssCkEwApHIgI
• google-site-verification=r1UJ4-srilOhLY4Gw6DqT2sokT6qUnFWIUwBba7rRsI
• openai-domain-verification=dv-RdZwueiyuIUll1J1Q7UUkZ4z
• pardot1005922=bac531352b7f1b52af2dc9f2a3438217c0986ab4f7243619a2af08545cc698ca
• postman-domain-verification=1dd336e06f95914252964d67729bab70af17df451fe0329d40652ca4f5e7cd74816702a363e2d7d73692133d6beeea8688499eda55a588a104bd03d119ce9024
• slack-domain-verification=0DmXbAO1Q9m18wB8QtRgSplOveUkwUQmV3sTX2JV
• v=spf1 include:40166028.spf01.hubspotemail.net include:_spf.google.com include:_spf.salesforce.com include:email.chargebee.com include:_spf.chargebee.com ~all
• whimsical=081fb2387797ee140fc48f2b5977bedd7b018444
• MS=2C95DB8A94DDA0E31A270C9AF001989E498C535
• airtable-verification=83fc00f1a4027976ebcfe05fbbcedb0a
• anthropic-domain-verification-y9tdzg=lWr1B6BnpnEyj7bGxB4t1ZMLH
• apple-domain-verification=C5ARCoxb7WrHOGhL
• atlassian-domain-verification=Cx7/Nji0gldU3NnnQMUNawj62VnE9nMUcTy9kfVfgbDWqQITmiaMAhYQy8khRjm9
• atlassian-sending-domain-verification=d8c60223-4fab-4aef-b071-34c0145e1f72
• cursor-domain-verification-q4ffx7=6qhvE9CatPnr2Y6WDatwhEa4o
• google-site-verification=84f823e7-f20e-4aa3-aebb-93b6fd938e33
• google-site-verification=AFi4l4IDNgcA2XmImxUVA59cyZ5v65u54opJ_peoc3s
• google-site-verification=S_Ux3dbZ9eYHFfq-mjEk7ZMf4CgPg-LZyPUY78ZuSZs

Subdomains

• staging.certifyos.com 22d ago
• feature.certifyos.com 35d ago