laeserklubben.dk DNS records

🖥️ Nameservers2 records 129ms

Nameserver	IP addresses	PTR	ASN / ISP
justin.ns.cloudflare.com	108.162.193.187 172.64.33.187 173.245.59.187 2606:4700:58::adf5:3bbb 2803:f800:50::6ca2:c1bb 2a06:98c1:50::ac40:21bb	justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com justin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
serena.ns.cloudflare.com	108.162.192.220 172.64.32.220 173.245.58.220 2606:4700:50::adf5:3adc 2803:f800:50::6ca2:c0dc 2a06:98c1:50::ac40:20dc	serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 104ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
194.103.128.37	300s	37-128.vitec.se	AS197332	Vitec Software Group AB	194.103.128.0/23	🇸🇪 Sweden	—

📧 MX Records1 records 75ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	laeserklubben-dk.x-v1.mx.microsoft	2a01:111:f403:ca04::4 2a01:111:f403:ca04::b 2a01:111:f403:ca09:: 2a01:111:f403:ca09::e 52.101.103.137 52.101.68.21 52.101.68.5 52.101.73.8	mail-db4pr02cu00204.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records4 records 405ms

TXT Record
_globalsign-domain-verification=deab_wzPzD3zGxymxVXq2ozOK1Eh86xUbYXqXXKHvn
MS=ms72756768
P-GAM3QN3FSM
v=spf1 include:_spf5990.spfprotect.com include:mailgun.org -all

✉️ SPF

Policy	Record (laeserklubben.dk)
-all (hard fail)	v=spf1 include:_spf5990.spfprotect.com include:mailgun.org -all

📨 DMARC

Policy	Record (_dmarc.laeserklubben.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:616e6d7475085@dmarc.centerasecurity.com;

📬 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 141ms

Service / Owner	Type	Cert association
SMTP _25._tcp.laeserklubben-dk.x-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.laeserklubben-dk.x-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	C1AD7778796D20BCA65C889A26550211…
SMTP _25._tcp.laeserklubben-dk.x-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	54883CC5F1849331E6BF5002C3129D20…
SMTP _25._tcp.laeserklubben-dk.x-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	EA7A25255D111FC3CE4CB8FABE3ADF9C…

🔐 DNSSEC257ms

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

🏷️ SOA0ms

Field	Value
Serial	2413420174
Primary NS (MNAME)	justin.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

129ms

A

104ms

MX

75ms

AAAA

124ms

TXT

405ms

CAA

81ms

HTTPS

131ms

TLSA

141ms

SOA

0ms

MTA-STS

151ms

DNSSEC

257ms

SRV

207ms

Total

1433ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 22:57:24	1433ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 09:58:42	1659ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-01 06:21:34	1372ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 06:10:37	1437ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 06:33:56	1707ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 02:34:27	2648ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 08:13:24	969ms	2 NS 1 A 1 MX	🔒 Secure	View