b2b-booking.dk

📜 Historical scan 2026-06-16 13:57:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

b2b-booking.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.142 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 44ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	—	—	—
ns2.simply.com	—	—	—
ns3.simply.com	—	—	—

🌍 A Records#

1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.142	—	linux257.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	smtp.google.com	142.250.147.26 142.250.147.27 142.251.9.26 142.251.9.27	rd-in-f26.1e100.net rd-in-f27.1e100.net rc-in-f26.1e100.net rc-in-f27.1e100.net	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 Records#

3 records 212ms

TXT Record
google-site-verification=tm4Nak9hYzT536mCTGNxU_WezAzbjIN1-MX6pl2edx4
v=DMARC1; p=none; rua=mailto:lm@b2b-booking.dk;
v=spf1 include:spf.simply.com include:_spf.google.com -all

✉️ SPF#

Policy	Record (b2b-booking.dk)
-all (hard fail)	v=spf1 include:spf.simply.com include:_spf.google.com -all

📨 DMARC#

Policy	Record (_dmarc.b2b-booking.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 03:16:39

www	93.191.156.142 (AS48854) (address records, no CNAME)
www vs bare domain	Same network b2b-booking.dk: 93.191.156.142 (AS48854) www.b2b-booking.dk: 93.191.156.142 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

145ms

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

🏷️ SOA#

42ms

Field	Value
Serial	2025042300
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

44ms

45ms

AAAA

45ms

TXT

212ms

CAA

45ms

HTTPS

43ms

TLSA

88ms

SOA

42ms

MTA-STS

81ms

DNSSEC

145ms

SRV

0ms

Total

655ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 07:18:42	583ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-25 04:40:31	563ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-26 00:04:55	955ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-16 13:57:18 shown	655ms	3 NS 1 A 1 MX	🔒 Secure