booking2u.dk

Records from scan: 2026-10-02 14:36:17 · 306ms total · last checked 2026-10-19 09:16 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

booking2u.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 2 March 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.48.142.205 is hosted by TDC Holding A/S (AS3292) in Denmark. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.48.142.205	3600s	—	AS3292	TDC Holding A/S	87.48.0.0/13	🇩🇰 Denmark	Copenhagen

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 112ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (booking2u.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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#

checked 2026-10-10 19:06:58

www	87.48.142.205 (AS3292) (address records, no CNAME)
www vs bare domain	Same network booking2u.dk: 87.48.142.205 (AS3292) www.booking2u.dk: 87.48.142.205 (AS3292)
Wildcard	No
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: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

62ms

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

🏷️ SOA#

40ms

Field	Value
Serial	2026100100
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-02 15:06:29

Field	Value
Registrar	Simply.com A/S
Registered	2007-03-02
Expires	2027-03-31 (161d)

📋 WHOIS#

⏱️ Lookup Timing#

29ms

31ms

30ms

AAAA

29ms

TXT

112ms

CAA

34ms

HTTPS

35ms

TLSA

32ms

SOA

40ms

MTA-STS

41ms

DNSSEC

62ms

SRV

48ms

Total

306ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 14:36:17 shown	306ms	4 NS 1 A 0 MX	🔒 Secure
2026-09-06 09:29:38	482ms	4 NS 1 A 0 MX	🔒 Secure
2026-08-27 18:24:13	456ms	4 NS 1 A 0 MX	🔒 Secure
2026-07-04 15:55:35	2449ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-24 22:46:36	2676ms	4 NS 1 A 0 MX	⚠️ Bogus
2026-06-24 01:16:16	934ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 15:55:22	515ms	4 NS 1 A 0 MX	🔒 Secure