ersttest.dk DNS records

🖥️ Nameservers2 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
lakas.ns.cloudflare.com	108.162.193.194 172.64.33.194 173.245.59.194 2606:4700:58::adf5:3bc2 2803:f800:50::6ca2:c1c2 2a06:98c1:50::ac40:21c2	lakas.ns.cloudflare.com lakas.ns.cloudflare.com lakas.ns.cloudflare.com lakas.ns.cloudflare.com lakas.ns.cloudflare.com lakas.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rosemary.ns.cloudflare.com	108.162.194.77 162.159.38.77 172.64.34.77 2606:4700:50::a29f:264d 2803:f800:50::6ca2:c24d 2a06:98c1:50::ac40:224d	rosemary.ns.cloudflare.com rosemary.ns.cloudflare.com rosemary.ns.cloudflare.com rosemary.ns.cloudflare.com rosemary.ns.cloudflare.com rosemary.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 Records1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	ersttest-dk.t-v1.mx.microsoft	2a01:111:f403:ca04::c 2a01:111:f403:ca09::1 2a01:111:f403:ca09::c 2a01:111:f403:ca09::f 52.101.68.36 52.101.73.126 52.101.73.15 52.101.73.19	mail-db9pr02cu00204.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr04cu00803.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

🔌 SRV Records1 records 62ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 163ms

TXT Record
MS=ms19620933
v=spf1 ip4:37.49.142.150 ip4:37.49.142.137 ip4:37.49.142.162 ip4:87.63.97.30 ip4:87.63.97.8/29 ip4:185.153.154.186 include:spf.protection.outlook.com include:o._spf.hostedsepo.dk mx -all

✉️ SPF

Policy	Record (ersttest.dk)
-all (hard fail)	v=spf1 ip4:37.49.142.150 ip4:37.49.142.137 ip4:37.49.142.162 ip4:87.63.97.30 ip4:87.63.97.8/29 ip4:185.153.154.186 include:spf.protection.outlook.com include:o._spf.hostedsepo.dk mx -all

📨 DMARC

Policy	Record (_dmarc.ersttest.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@ersttest.dk, mailto:dmarc_agg@vali.email; ruf=mailto:dmarc@ersttest.dk; fo=1

📬 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.ersttest.dk	3u7oyIoZgWm78uu7GbvAO_2jv65dd3P4k0K3k-k00w0
TXT	_acme-challenge.ersttest.dk	CDdnYEsrdGgeXHXVUhAY8rYqLrEM-wy9q89baAqdkTY

🔗 TLSA / DANE4 records 58ms

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

🔐 DNSSEC98ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2413304737
Primary NS (MNAME)	lakas.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

32ms

A

32ms

MX

28ms

AAAA

32ms

TXT

163ms

CAA

35ms

HTTPS

31ms

TLSA

58ms

SOA

0ms

MTA-STS

46ms

DNSSEC

98ms

SRV

62ms

Total

675ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 18:47:05	675ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-26 18:31:56	860ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-07 03:00:46	1346ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-18 00:39:19	1554ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-11 22:55:00	9316ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-03 01:33:24	10008ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-26 10:57:37	1075ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-22 11:39:59	1286ms	2 NS 0 A 1 MX	⚠️ Bogus	View
2026-06-22 07:48:04	1168ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 17:56:54	1138ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 08:16:01	2588ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-17 08:15:49	1125ms	2 NS 0 A 1 MX	🔒 Secure	View