semantica.dk

📜 Historical scan 2026-06-22 14:34:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

semantica.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 13 February 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed but currently fails validation, 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 82ms

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

🌍 A Records#

🌍

No A records found

📧 MX Records#

5 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c01::1b	rd-in-f27.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.213.26 2404:6800:4000:1025::1b	yugrqzs-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	108.177.125.27 2404:6800:4003:c26::1a	tp-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.152.26 2404:6800:4008:c01::1a	yulpptr-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.230.26 2404:6800:400b:c01b::1b	yunrtab-in-f26.1e100.net yunrtab-in-f27.1e100.net	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#

1 records 248ms

TXT Record
v=spf1 include:_spf.google.com include:spf.simply.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.semantica.dk)
p=none (monitor only)	v=DMARC1;p=none

📬 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 2026-10-12 20:47:12

www	NXDOMAIN
www vs bare domain	Neither resolves semantica.dk: no address www.semantica.dk: no address
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

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 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#

71ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

96ms

Field	Value
Serial	2025100900
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 2026-10-01 04:50:05

Field	Value
Registrar	Simply.com A/S
Registered	2004-02-13
Expires	2027-02-28 (128d)

📋 WHOIS#

⏱️ Lookup Timing#

82ms

25ms

46ms

AAAA

80ms

TXT

248ms

CAA

45ms

HTTPS

241ms

TLSA

56ms

SOA

96ms

MTA-STS

131ms

DNSSEC

71ms

SRV

146ms

Total

808ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 20:47:12	1205ms	3 NS 0 A 5 MX	🔒 Secure
2026-10-01 04:38:22	953ms	3 NS 0 A 5 MX	🔒 Secure
2026-09-30 04:26:17	510ms	3 NS 0 A 5 MX	🔒 Secure
2026-09-19 06:01:24	580ms	3 NS 0 A 5 MX	🔒 Secure
2026-09-09 02:27:39	610ms	3 NS 0 A 5 MX	🔒 Secure
2026-08-27 11:26:40	659ms	3 NS 0 A 5 MX	🔒 Secure
2026-06-25 12:02:12	765ms	3 NS 0 A 5 MX	🔒 Secure
2026-06-24 07:59:52	918ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 14:34:09 shown	808ms	3 NS 0 A 5 MX	⚠️ Bogus
2026-06-21 21:09:55	525ms	3 NS 0 A 5 MX	🔒 Secure
2026-06-18 06:41:51	884ms	3 NS 0 A 5 MX	🔒 Secure