sidentrec.dk

📜 Historical scan 2026-06-17 12:09:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sidentrec.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 19 September 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.249.12 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.dandomain.dk, mx2.dandomain.dk. The zone is DNSSEC-signed and validates, has no 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#

2 records 44ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 61ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.237.249.12	—	lb1.builder.nu	AS48854	team.blue Denmark A/S	212.237.248.0/23	🇩🇰 Denmark	—

📧 MX Records#

2 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.dandomain.dk	212.237.249.50	mx1.dandomain.dk	AS48854 team.blue Denmark A/S
20	—	mx2.dandomain.dk	46.36.209.11	mx2.dandomain.dk	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 193ms

TXT Record
v=spf1 include:spf.dandomain.dk -all

✉️ SPF#

Policy	Record (sidentrec.dk)
-all (hard fail)	v=spf1 include:spf.dandomain.dk -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#

latest probe, not this scan · checked 2026-10-18 13:33:54

www	212.237.249.12 (AS48854) (address records, no CNAME)
www vs bare domain	Same network sidentrec.dk: 212.237.249.12 (AS48854) www.sidentrec.dk: 212.237.249.12 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

76ms

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

🏷️ SOA#

80ms

Field	Value
Serial	2025040701
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-10 02:02:00

Field	Value
Registrar	DANDOMAIN A/S
Registered	2024-09-19
Expires	2027-09-18 (334d)

📋 WHOIS#

⏱️ Lookup Timing#

44ms

61ms

43ms

AAAA

64ms

TXT

193ms

CAA

43ms

HTTPS

63ms

TLSA

60ms

SOA

80ms

MTA-STS

44ms

DNSSEC

76ms

SRV

0ms

Total

566ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 16:06:52	336ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-27 13:36:55	512ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-12 19:38:43	437ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-04 05:14:15	422ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-25 21:13:36	494ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-22 16:08:02	783ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-21 23:59:28	449ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-20 02:28:20	1578ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 12:09:54 shown	566ms	2 NS 1 A 2 MX	🔒 Secure