grundtvigsvej.dk DNS records

🖥️ Nameservers2 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
jessica.ns.cloudflare.com	108.162.192.171 172.64.32.171 173.245.58.171 2606:4700:50::adf5:3aab 2803:f800:50::6ca2:c0ab 2a06:98c1:50::ac40:20ab	jessica.ns.cloudflare.com jessica.ns.cloudflare.com jessica.ns.cloudflare.com jessica.ns.cloudflare.com jessica.ns.cloudflare.com jessica.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kayden.ns.cloudflare.com	108.162.195.74 162.159.44.74 172.64.35.74 2606:4700:58::a29f:2c4a 2803:f800:50::6ca2:c34a 2a06:98c1:50::ac40:234a	kayden.ns.cloudflare.com kayden.ns.cloudflare.com kayden.ns.cloudflare.com kayden.ns.cloudflare.com kayden.ns.cloudflare.com kayden.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records2 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	300s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 180ms

TXT Record
protonmail-verification=e8b840cf04c8e2bf2924b55dc6c1c7a49557191f
v=spf1 include:_spf.protonmail.ch include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF

Policy	Record (grundtvigsvej.dk)
-all (hard fail)	v=spf1 include:_spf.protonmail.ch include:spf.protection.outlook.com include:_custspf.one.com -all

📨 DMARC

Policy	Record (_dmarc.grundtvigsvej.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

🔗 TLSA / DANE4 records 49ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC85ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2413087911
Primary NS (MNAME)	jessica.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

43ms

A

33ms

MX

47ms

AAAA

44ms

TXT

180ms

CAA

55ms

HTTPS

61ms

TLSA

49ms

SOA

0ms

MTA-STS

74ms

DNSSEC

85ms

SRV

66ms

Total

1193ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 09:47:13	1193ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-08-25 10:53:09	914ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-07-16 15:31:08	1137ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-26 19:46:30	957ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-26 17:21:45	856ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-24 19:19:58	1675ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-20 07:22:21	655ms	2 NS 0 A 2 MX	🔓 Insecure	View
2026-06-17 09:42:43	809ms	2 NS 0 A 2 MX	🔓 Insecure	View