niss.dk DNS records

🖥️ Nameservers2 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.245.33.64	43200s	static.64.33.245.188.clients.your-server.de	AS24940	Hetzner Online GmbH	188.245.0.0/16	🇩🇪 Germany	Nuremberg

📧 MX Records7 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	173.194.221.26 2a00:1450:4010:c0f::1b 2a00:1450:4010:c0f::1b	lm-in-f26.1e100.net lt-in-f27.1e100.net lt-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx4.googlemail.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	43200s	aspmx5.googlemail.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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	niss.dk → 188.245.33.64
🔶 Autoconfig	niss.dk → 188.245.33.64

🔷 AAAA Records (IPv6)1 records 71ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:c0c:cbda::	3600s	—	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 174ms

TXT Record
google-site-verification=eEjxdK35AJcweh-YcBKdU9pPw94ub_kKIQOJ5W6dVz0
google-site-verification=FdRWWO0Ewn2n_FYe7MnwzQv-sGhLIsuaURuJSJbol8o
google-site-verification=R81_p5qAQpw7xh7YQVb3TrGJ9v3UDCwqmg9Hr2lA_Nw

✉️ 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
CNAME	_acme-challenge.niss.dk	niss.dk

🔗 TLSA / DANE

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

🔐 DNSSEC96ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

47ms

A

49ms

MX

43ms

AAAA

71ms

TXT

174ms

CAA

62ms

HTTPS

46ms

TLSA

136ms

SOA

0ms

MTA-STS

77ms

DNSSEC

96ms

SRV

70ms

Total

1506ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 15:52:02	1506ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-26 13:40:36	1242ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-25 16:32:32	1146ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-08-12 03:04:45	7509ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-17 22:39:37	3705ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-07-12 14:13:39	9622ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-27 17:12:59	876ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-26 09:44:31	2179ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-24 08:45:51	5933ms	2 NS 1 A 7 MX	🔒 Secure	View
2026-06-24 03:42:56	1151ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 11:16:28	825ms	2 NS 1 A 7 MX	⚠️ Bogus	View
2026-06-17 14:46:48	2150ms	2 NS 1 A 7 MX	🔒 Secure	View