erst.dk DNS records

🖥️ Nameservers2 records 24ms

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 Records3 records 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.26.0.132	300s	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
104.26.1.132	300s	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
172.67.74.149	300s	—	AS13335	Cloudflare, Inc.	172.67.64.0/18	—	—

📧 MX Records1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	600s	erst-dk.i-v1.mx.microsoft	2a01:111:f403:ca04::6 2a01:111:f403:ca09::1 2a01:111:f403:ca09::6 2a01:111:f403:ca09::d 52.101.68.18 52.101.68.29 52.101.68.5 52.101.73.2	mail-db4pr02cu00406.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.104.116.40

🔷 AAAA Records (IPv6)3 records 35ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:20::681a:184	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::681a:84	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::ac43:4a95	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—

🔐 HTTPS Records1 records 23ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.26.0.132,104.26.1.132,172.67.74.149 ipv6hint=2606:4700:20::681a:84,2606:4700:20::681a:184,2606:4700:20::ac43:4a95

📝 TXT Records12 records 132ms

TXT Record
_globalsign-domain-verification=X5AfyLzG2p9rkDJ9pLTFVpnf7gMVNcxP3AM6Bwzr22
0PgK+5yDlVo6/JryTdGOpg4EXXWItTxxQi9pI6laJacTYR9skUwtVtclYAkwf6Bmnbc2DOuOd/Yrzb8SPaSVcQ==
4UWPEa+2BdiCHsd38moXvU0xg6qs9m/pUxxrzHucCoQ=
apple-domain-verification=C5iJlvFPxFDo13Cy
eNp1w0S/cUqfGaGH4SfJ0mSwgH158gUj4GDlk8U9we8=
fhcq6wkw5805nvrd8318qbx0brzwtc7z
k1xsnl95qzhqlnkj50rn73bghzpl3yvp
Lkbjmo2osE/JRX7hRdPzkCxbyly/OsNl6LVBaUMGHcE=
MS=ms23972138
oNxDhIr53w/cdCgvx2b7R+ZqiQPeNcaaHX5zq5iJzrY=
UNJYg8pBjF8Bw9jCncLrVYdtNz2XwQqx2n7Fp1lT1tM=
v=spf1 ip4:98.71.209.127 ip4:37.49.142.150 ip4:37.49.142.137 ip4:37.49.142.162 ip4:185.163.189.63 ip4:194.182.109.192/26 ip4:87.63.97.30 ip4:87.63.97.15 ip4:87.63.97.14 include:spf.protection.outlook.com include:o._spf.hostedsepo.dk include:_spf.etrack1.com mx -all

✉️ SPF

Policy	Record (erst.dk)
-all (hard fail)	v=spf1 ip4:98.71.209.127 ip4:37.49.142.150 ip4:37.49.142.137 ip4:37.49.142.162 ip4:185.163.189.63 ip4:194.182.109.192/26 ip4:87.63.97.30 ip4:87.63.97.15 ip4:87.63.97.14 include:spf.protection.outlook.com include:o._spf.hostedsepo.dk include:_spf.etrack1.com mx -all

📨 DMARC

Policy	Record (_dmarc.erst.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@erst.dk, mailto:dmarc_agg@vali.email; ruf=mailto:dmarc@erst.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 / DANE4 records 104ms

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

🔐 DNSSEC95ms

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

🏷️ SOA0ms

Field	Value
Serial	2413305552
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

24ms

A

28ms

MX

46ms

AAAA

35ms

TXT

132ms

CAA

33ms

HTTPS

23ms

TLSA

104ms

SOA

0ms

MTA-STS

40ms

DNSSEC

95ms

SRV

69ms

Total

749ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 14:14:54	749ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-08-24 18:54:39	3134ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-08-20 17:01:55	8669ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-08-14 10:05:18	5281ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-08-11 13:55:20	1872ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-08-05 21:43:26	1778ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-08-02 20:15:49	1269ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-07-16 13:28:22	1198ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-07-10 12:53:34	9092ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-07-09 03:35:41	2598ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-07-06 08:39:29	1434ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-07-05 00:03:23	1298ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-07-03 12:55:58	1480ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-06-25 16:35:32	1195ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-06-25 10:29:39	2011ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-06-17 08:15:18	854ms	2 NS 3 A 1 MX	🔒 Secure	View
2026-06-17 08:15:12	3703ms	2 NS 3 A 1 MX	🔒 Secure	View