nrsim.dk DNS records

🖥️ Nameservers2 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.desec.io	2607:f740:e633:deec::2 45.54.76.1	ns1.desec.io ns1.desec.io	AS63911 NetActuate, Inc AS63911 NetActuate, Inc
ns2.desec.org	157.53.224.1 2607:f740:e00a:deec::2	ns2.desec.org ns2.desec.org	AS36217 NetActuate, Inc AS36217 NetActuate, Inc

🌍 A Records1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.104.248.218	3600s	87-104-248-218.static.kviknet.net	AS204151	EWII Bredbaand A/S	87.104.240.0/20	🇩🇰 Denmark	Farum

📧 MX Records8 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.250.147.26 2a00:1450:4010:c1e::1b	rd-in-f26.1e100.net lb-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4013:813::1a	lcbomp-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	aspmx1.googlemail.com	—	—	—
10	3600s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	aspmx3.googlemail.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	3600s	aspmx4.googlemail.com	173.194.41.27 173.194.41.27 2404:6800:4003:c26::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	aspmx5.googlemail.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	nrsim.dk → 87.104.248.218
🔶 Autoconfig	nrsim.dk → 87.104.248.218

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 208ms

TXT Record
Problems - contact hostmaster@nrsim.dk
v=spf1 a include:_spf.google.com -all

✉️ SPF

Policy	Record (nrsim.dk)
-all (hard fail)	v=spf1 a include:_spf.google.com -all

📨 DMARC

Policy	Record (_dmarc.nrsim.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:dmarc+a@nrsim.dk; ruf=mailto:dmarc+f@nrsim.dk;

📬 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.nrsim.dk	nrsim.dk

🔗 TLSA / DANE

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

🔐 DNSSEC106ms

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

🏷️ SOA0ms

Field	Value
Serial	2025074357
Primary NS (MNAME)	get.desec.io
Responsible (RNAME)	get@desec.io
Refresh	86400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

38ms

A

45ms

MX

36ms

AAAA

42ms

TXT

208ms

CAA

36ms

HTTPS

35ms

TLSA

104ms

SOA

0ms

MTA-STS

50ms

DNSSEC

106ms

SRV

80ms

Total

1014ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 18:49:50	1014ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-08-26 17:22:20	959ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-08-21 00:06:36	9422ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-08-13 04:32:31	11357ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-08-07 00:55:00	1784ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-08-05 16:04:13	2320ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-07-24 03:04:17	1848ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-07-16 22:49:19	1968ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-07-10 06:28:13	10085ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-07-03 13:53:08	5363ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-06-26 06:25:33	1052ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-06-18 21:18:35	3908ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-06-17 12:54:28	3650ms	2 NS 1 A 8 MX	🔒 Secure	View