cvtag.dk

📜 Historical scan 2026-08-15 21:03:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cvtag.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 14 September 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.36.206.131 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mail-1.dk, mx1.pub.mailpod8-cph3.one.com and 3 more. The zone is not DNSSEC-signed, 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 86ms

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#

1 records 89ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.36.206.131	3600s	plesk04.grouponline.org	AS48854	team.blue Denmark A/S	46.36.204.0/22	🇩🇰 Denmark	—

📧 MX Records#

5 records 87ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail-1.dk	77.235.50.122	mail-1.dk	AS60781 LeaseWeb Netherlands B.V.
10	3600s	mx1.pub.mailpod8-cph3.one.com	185.164.14.102	mx1.pub.mailpod8-cph3.one.com	AS51468 One.com A/S
10	3600s	mx2.pub.mailpod8-cph3.one.com	185.164.14.103	mx2.pub.mailpod8-cph3.one.com	AS51468 One.com A/S
10	3600s	mx3.pub.mailpod8-cph3.one.com	185.164.14.104	mx3.pub.mailpod8-cph3.one.com	AS51468 One.com A/S
10	3600s	mx4.pub.mailpod10-cph3.one.com	104.37.34.73	mx4.pub.mailpod10-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	46.36.206.131
🔶 Autoconfig	46.36.206.131

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 214ms

TXT Record
google-site-verification=nqn6QU32_8uziFvnBz-UC0Izsun9iVepFizpgEmYujc
v=spf1 include:_custspf.one.com include:spf.simply.com include:spf.curanet.dk -all
v=spf1 mx a include:spf.curanet.dk include:_custspf.one.com include:spf.simply.com -all

✉️ SPF#

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (cvtag.dk)
-all (hard fail)	v=spf1 include:_custspf.one.com include:spf.simply.com include:spf.curanet.dk -all
-all (hard fail)	v=spf1 mx a include:spf.curanet.dk include:_custspf.one.com include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.cvtag.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 16:09:24

www	46.36.206.131 (AS48854) (address records, no CNAME)
www vs bare domain	Same network cvtag.dk: 46.36.206.131 (AS48854) www.cvtag.dk: 46.36.206.131 (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: 5/10 · policy: -all

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

4 records 114ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod8-cph3.one.com	DANE-EE · SPKI · SHA-256	BF2BAC81D64CD548F2920A7E0ADF7907…
SMTP _25._tcp.mx2.pub.mailpod8-cph3.one.com	DANE-EE · SPKI · SHA-256	BF2BAC81D64CD548F2920A7E0ADF7907…
SMTP _25._tcp.mx3.pub.mailpod8-cph3.one.com	DANE-EE · SPKI · SHA-256	BF2BAC81D64CD548F2920A7E0ADF7907…
SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com	DANE-EE · SPKI · SHA-256	5932F73E86E0548B77B582F47919F654…

🔐 DNSSEC#

176ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

34ms

Field	Value
Serial	2025101402
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 2026-10-03 05:36:03

Field	Value
Registrar	ONE.COM A/S
Registered	2023-09-14
Expires	2027-09-13 (331d)

📋 WHOIS#

⏱️ Lookup Timing#

86ms

89ms

87ms

AAAA

56ms

TXT

214ms

CAA

46ms

HTTPS

46ms

TLSA

114ms

SOA

34ms

MTA-STS

69ms

DNSSEC

176ms

SRV

158ms

Total

17186ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 16:09:24	1339ms	3 NS 1 A 5 MX	🔓 Insecure
2026-10-03 05:02:50	790ms	3 NS 1 A 5 MX	🔓 Insecure
2026-10-01 04:52:53	1285ms	3 NS 1 A 5 MX	🔓 Insecure
2026-09-24 11:58:42	9673ms	3 NS 1 A 5 MX	🔓 Insecure
2026-08-15 21:03:33 shown	17186ms	3 NS 1 A 5 MX	🔓 Insecure
2026-07-01 23:42:14	1145ms	3 NS 1 A 5 MX	🔓 Insecure
2026-06-16 23:23:25	510ms	3 NS 1 A 5 MX	🔓 Insecure
2026-06-16 23:21:17	997ms	3 NS 1 A 5 MX	🔓 Insecure