b21b.dk DNS records

🖥️ Nameservers3 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dns.services	195.242.131.6 2001:67c:564:ffff::11	ns1.dns.services ns1.dns.services	AS62121 Christian Ebsen ApS AS62121 Christian Ebsen ApS
ns2.dns.services	2a00:1b18:2:3:3::2 62.69.152.37	ns2.dns.services ns2.dns.services	AS47527 DLX A/S AS47527 DLX A/S
ns3.dns.services	185.55.197.53	ns3.dns.services	AS60153 Inpadi ApS

🌍 A Records1 records 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.102.88.132	43200s	—	AS47292	Sentia Denmark A/S	91.102.88.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	smtp.google.com	142.251.1.26 142.251.1.27 2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1b 2a00:1450:4010:c05::1b 2a00:1450:4010:c1e::1a 2a00:1450:4010:c1e::1b 64.233.162.26 64.233.162.27 64.233.163.27	lb-in-f26.1e100.net lb-in-f27.1e100.net li-in-x1a.1e100.net li-in-f26.1e100.net li-in-f27.1e100.net li-in-x1b.1e100.net lb-in-f26.1e100.net lb-in-f27.1e100.net li-in-f26.1e100.net li-in-f27.1e100.net lj-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records5 records 214ms

TXT Record
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

✉️ SPF

Policy	Record (b21b.dk)
~all (soft fail)	v=spf1 include:spf.mandrillapp.com include:_spf.google.com ~all

📨 DMARC

Policy	Record (_dmarc.b21b.dk)
p=reject	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;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records2 records 49ms

Flags	Tag	Value
0	iodef	mailto:webmaster@b21b.dk
0	issue	letsencrypt.org

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC136ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2026082502
Primary NS (MNAME)	ns1.dns.services
Responsible (RNAME)	post@dns.services
Refresh	10800s
Retry	3600s
Expire	1814400s
Minimum (neg-cache TTL)	7200s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

51ms

A

57ms

MX

49ms

AAAA

73ms

TXT

214ms

CAA

49ms

HTTPS

54ms

TLSA

65ms

SOA

0ms

MTA-STS

68ms

DNSSEC

136ms

SRV

182ms

Total

1046ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 17:23:27	1046ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 19:54:22	644ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 15:04:18	1717ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 13:20:35	2444ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 23:12:50	1264ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 09:00:01	1497ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 22:24:14	904ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 01:54:25	1868ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 13:57:34	795ms	3 NS 1 A 1 MX	🔒 Secure	View