ersttest.dk DNS records

🖥️ Nameservers2 records 68ms

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 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	ersttest-dk.t-v1.mx.microsoft	2a01:111:f403:ca04::10 2a01:111:f403:ca04::5 2a01:111:f403:ca09::b 2a01:111:f403:ca09::e 52.101.68.25 52.101.68.39 52.101.73.1 52.101.73.28	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.101.27.137

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 131ms

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

📝 TXT Records2 records 285ms

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 / DANE8 records 173ms

Service / Owner	Type	Cert association
SMTP _25._tcp.ersttest-dk.t-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	803F7447CC75B208DBCA042346F5D8DF…
SMTP _25._tcp.ersttest-dk.t-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	A6C267923B26A4A9617EDA73D8DB4FBC…
SMTP _25._tcp.ersttest-dk.t-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	C495D9E40F7E625BE22F83CC64305182…
SMTP _25._tcp.ersttest-dk.t-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	38D895F5105BC2545822C17A2444F4B0…
SMTP _25._tcp.ersttest-dk.t-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	5F88694615E4C61686E106B84C3338C6…
SMTP _25._tcp.ersttest-dk.t-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	6EBFF927297A5B3AAF5EAE672252C36A…
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-EE · SPKI · SHA-256	133086C7B822371A4A3304F1661A7880…

🔐 DNSSEC141ms

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	2409784961
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

68ms

A

60ms

MX

67ms

AAAA

63ms

TXT

285ms

CAA

58ms

HTTPS

55ms

TLSA

173ms

SOA

0ms

MTA-STS

67ms

DNSSEC

141ms

SRV

131ms

Total

1554ms

🕐 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