b21b.dk
📜 DNS record history  ·  ← Current records
📜 Record History9 scans · 19 changes
Scanned AtChanges since previous scan
2026-08-27 17:23:27 no changes
2026-08-26 19:54:22 no changes
2026-08-25 15:04:18
SOA + serial 2026082502 − serial 2026082402
2026-08-24 13:20:35
SOA + serial 2026082402 − serial 2025103085
2026-07-12 23:12:50
SOA + serial 2025103085 − serial 2025103079
2026-06-27 09:00:01
NS + ns1.dns.services + ns2.dns.services + ns3.dns.services
A + 91.102.88.132
MX + 1 smtp.google.com
TXT + facebook-domain-verification=auftgs305t26bqbbgfzywqobghy3sd + google-site-verification=HUt1nOTlnwQ_2DAKjeX2NRqr2yXJA9S-Sot2oDIiwu0 + google-site-verification=nZeZru5doJWgwHEI1vG_3-TQdz5tbMuX-nSZzrpdiLc + google-site-verification=O9P0KgnP6dystrc64vI3rWln_ehl2OCNdf-by4ba80M + v=spf1 include:spf.mandrillapp.com include:_spf.google.com ~all
CAA + iodef mailto:webmaster@b21b.dk + issue letsencrypt.org
SOA + serial 2025103079
DMARC + v=DMARC1; p=reject; fo=1; pct=100; rua=mailto:re+pkhc5xmldzp@dmarc.postmarkapp.com,mailto:dmarc@b21b.dk,mailto:dmarc_agg@vali.email; ruf=mailto:dmarc@b21b.dk; sp=reject; aspf=r;
DNSSEC + secure − indeterminate
2026-06-23 22:24:14
NS − ns1.dns.services − ns2.dns.services − ns3.dns.services
A − 91.102.88.132
MX − 1 smtp.google.com
TXT − facebook-domain-verification=auftgs305t26bqbbgfzywqobghy3sd − google-site-verification=HUt1nOTlnwQ_2DAKjeX2NRqr2yXJA9S-Sot2oDIiwu0 − google-site-verification=nZeZru5doJWgwHEI1vG_3-TQdz5tbMuX-nSZzrpdiLc − google-site-verification=O9P0KgnP6dystrc64vI3rWln_ehl2OCNdf-by4ba80M − v=spf1 include:spf.mandrillapp.com include:_spf.google.com ~all
CAA − iodef mailto:webmaster@b21b.dk − issue letsencrypt.org
SOA − serial 2025103079
DMARC − v=DMARC1; p=reject; fo=1; pct=100; rua=mailto:re+pkhc5xmldzp@dmarc.postmarkapp.com,mailto:dmarc@b21b.dk,mailto:dmarc_agg@vali.email; ruf=mailto:dmarc@b21b.dk; sp=reject; aspf=r;
DNSSEC + indeterminate − secure
2026-06-20 01:54:25 no changes
2026-06-16 13:57:34 baseline 3 NS · 1 A · 1 MX · 5 TXT · 2 CAA · serial 2025103079 · DMARC · DNSSEC secure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 9 scans). Click a timestamp to view that full snapshot.

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