webmatematik.dk

📜 Historical scan 2026-06-17 11:54:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

webmatematik.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 176.57.89.144 is hosted by Telia Cygate AB (AS197308) in Sweden. Mail is handled by mx.simply.com. 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#

4 records 49ms

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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
176.57.89.144	—	—	AS197308	Telia Cygate AB	176.57.88.0/22	🇸🇪 Sweden	Stockholm

📧 MX Records#

1 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx.simply.com	94.231.106.20	mx.simply.com	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#

4 records 379ms

TXT Record
google-site-verification=3Uv1uec7KLn7H7Ic6HhOA4c7k1q_LI42zmIyd3A8y08
google-site-verification=NTomAjSzmYbuhCi7pYGh_DLcCNgqWK0nGFwJdRJTBlQ
trustpilot-one-time-verification-id=a6f43dbe-2cb0-4af6-ae8c-b732190dbed2
v=spf1 include:spf.simply.com ?all

✉️ SPF#

Policy	Record (webmatematik.dk)
?all (neutral)	v=spf1 include:spf.simply.com ?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 2026-10-07 19:21:34

www	176.57.89.144 (AS197308) (address records, no CNAME)
www vs bare domain	Same network webmatematik.dk: 176.57.89.144 (AS197308) www.webmatematik.dk: 176.57.89.144 (AS197308)
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: 1/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

2 records 114ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

152ms

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

🏷️ SOA#

51ms

Field	Value
Serial	2025111800
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#

49ms

41ms

57ms

AAAA

58ms

TXT

379ms

CAA

46ms

HTTPS

55ms

TLSA

114ms

SOA

51ms

MTA-STS

67ms

DNSSEC

152ms

SRV

0ms

Total

1205ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 15:59:19	1828ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 15:56:30	679ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-27 21:21:43	696ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-24 09:14:31	1612ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-21 00:28:13	908ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 11:54:35 shown	1205ms	4 NS 1 A 1 MX	🔒 Secure