ernsten.dk

📜 Historical scan 2026-09-25 20:17:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ernsten.dk is a .dk domain served by 2 nameservers (curt.ns.cloudflare.com, lila.ns.cloudflare.com). It was registered on 6 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by ernsten-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
curt.ns.cloudflare.com	108.162.193.94 172.64.33.94 173.245.59.94 2606:4700:58::adf5:3b5e 2803:f800:50::6ca2:c15e 2a06:98c1:50::ac40:215e	curt.ns.cloudflare.com curt.ns.cloudflare.com curt.ns.cloudflare.com curt.ns.cloudflare.com curt.ns.cloudflare.com curt.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lila.ns.cloudflare.com	108.162.192.186 172.64.32.186 173.245.58.186 2606:4700:50::adf5:3aba 2803:f800:50::6ca2:c0ba 2a06:98c1:50::ac40:20ba	lila.ns.cloudflare.com lila.ns.cloudflare.com lila.ns.cloudflare.com lila.ns.cloudflare.com lila.ns.cloudflare.com lila.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 Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ernsten-dk.mail.protection.outlook.com	2a01:111:f403:c967:: 2a01:111:f403:c967::2 2a01:111:f403:c967::4 2a01:111:f403:c967::6 52.101.209.2 52.101.209.4 52.101.209.6 52.101.209.74	mail-cpcp307cu00400.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpcp307cu00402.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)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 180ms

TXT Record
MS=ms76179706
v=spf1 include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (ernsten.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com ~all

📨 DMARC#

Policy	Record (_dmarc.ernsten.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:374efa54dd8748bd9de1ae83b63efedb@dmarc-reports.cloudflare.net

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 16:21:22

www	Exists, no address
www vs bare domain	Neither resolves ernsten.dk: no address www.ernsten.dk: no address
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-ernsten-dk._domainkey.ernsten26.p-v1.dkim.mail.microsoft	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

69ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413994594
Primary NS (MNAME)	curt.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 22:16:01

Field	Value
Registrar	ONE.COM A/S
Registered	2026-05-06
Expires	2027-05-05 (195d)

📋 WHOIS#

⏱️ Lookup Timing#

31ms

43ms

37ms

AAAA

46ms

TXT

180ms

CAA

42ms

HTTPS

41ms

TLSA

305ms

SOA

0ms

MTA-STS

40ms

DNSSEC

69ms

SRV

70ms

Total

820ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 16:21:22	1033ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-04 21:41:10	1115ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-28 21:15:28	760ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-25 20:17:52 shown	820ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-13 22:22:23	3979ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-04 22:42:08	2889ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-27 22:39:36	1137ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-12 12:04:23	1617ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-01 18:01:40	1610ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-19 15:58:37	9323ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-04 17:57:07	1490ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-28 13:55:58	1611ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-28 06:30:14	1008ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-17 08:15:34	704ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-17 08:15:17	852ms	2 NS 0 A 1 MX	🔒 Secure