ntc.dk DNS records

🖥️ Nameservers2 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
jean.ns.cloudflare.com	108.162.192.121 172.64.32.121 173.245.58.121 2606:4700:50::adf5:3a79 2803:f800:50::6ca2:c079 2a06:98c1:50::ac40:2079	jean.ns.cloudflare.com jean.ns.cloudflare.com jean.ns.cloudflare.com jean.ns.cloudflare.com jean.ns.cloudflare.com jean.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
yichun.ns.cloudflare.com	108.162.193.248 172.64.33.248 173.245.59.248 2606:4700:58::adf5:3bf8 2803:f800:50::6ca2:c1f8 2a06:98c1:50::ac40:21f8	yichun.ns.cloudflare.com yichun.ns.cloudflare.com yichun.ns.cloudflare.com yichun.ns.cloudflare.com yichun.ns.cloudflare.com yichun.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 Records5 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	142.250.150.26 2a00:1450:4010:c01::1b 2a00:1450:4010:c01::1b	la-in-f26.1e100.net lh-in-x1b.1e100.net lh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.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 Records1 records 201ms

TXT Record
google-site-verification=-T3gNvxCMjcveOn8rZdguqQT7LVI3BICU6p3KP8IGHk

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.ntc.dk	BekpAv-sYaLeqPBXz7pmAX-G4EZM-Xk4tV0sk1OPVng
TXT	_acme-challenge.ntc.dk	eYdOBfuze_vkNVhmk-69jXNfoX4LEiV4osD-bwkPGU8

🔗 TLSA / DANE

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

🔐 DNSSEC90ms

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	2413423739
Primary NS (MNAME)	jean.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

54ms

A

52ms

MX

55ms

AAAA

48ms

TXT

201ms

CAA

59ms

HTTPS

62ms

TLSA

109ms

SOA

0ms

MTA-STS

64ms

DNSSEC

90ms

SRV

81ms

Total

715ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 10:50:56	715ms	2 NS 0 A 5 MX	🔓 Insecure	View
2026-08-29 15:02:18	590ms	2 NS 0 A 5 MX	🔓 Insecure	View
2026-08-27 08:05:21	1116ms	2 NS 0 A 5 MX	🔓 Insecure	View
2026-08-26 07:59:30	1177ms	2 NS 0 A 5 MX	🔓 Insecure	View
2026-08-13 01:10:02	6152ms	2 NS 0 A 5 MX	🔓 Insecure	View
2026-07-18 14:25:18	1683ms	2 NS 0 A 5 MX	🔓 Insecure	View
2026-07-15 09:48:06	1725ms	2 NS 0 A 5 MX	🔓 Insecure	View
2026-07-12 04:29:10	3254ms	2 NS 0 A 5 MX	🔓 Insecure	View
2026-07-03 08:13:47	1056ms	2 NS 0 A 5 MX	🔓 Insecure	View
2026-06-28 08:13:45	885ms	2 NS 0 A 5 MX	🔓 Insecure	View
2026-06-27 22:15:57	968ms	2 NS 0 A 5 MX	🔓 Insecure	View
2026-06-18 06:16:15	848ms	2 NS 0 A 5 MX	🔓 Insecure	View