ersttest.dk DNS records

🖥️ Nameservers2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
lakas.ns.cloudflare.com	—	—	—
rosemary.ns.cloudflare.com	—	—	—

🌍 A Records

🌍

No A records found

📧 MX Records1 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	ersttest-dk.t-v1.mx.microsoft	52.101.68.29 52.101.68.8 52.101.73.11 52.101.73.6	mail-dbapr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 146ms

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

🔗 TLSA / DANE6 records 110ms

Service / Owner	Type	Cert association
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-EE · SPKI · SHA-256	133086C7B822371A4A3304F1661A7880…
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…

🔐 DNSSEC133ms

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

🏷️ SOA42ms

Field	Value
Serial	2407083929
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

33ms

A

32ms

MX

26ms

AAAA

26ms

TXT

146ms

CAA

29ms

HTTPS

35ms

TLSA

110ms

SOA

42ms

MTA-STS

118ms

DNSSEC

133ms

SRV

0ms

Total

1125ms

🕐 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