erasmussen.dk

📜 Historical scan 2026-06-25 00:53:03 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

erasmussen.dk is a .dk domain served by 2 nameservers (felipe.ns.cloudflare.com, pat.ns.cloudflare.com). It was registered on 17 March 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.15.58 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 415ms

Nameserver	IP addresses	PTR	ASN / ISP
felipe.ns.cloudflare.com	108.162.195.116 162.159.44.116 172.64.35.116 2606:4700:58::a29f:2c74 2803:f800:50::6ca2:c374 2a06:98c1:50::ac40:2374	felipe.ns.cloudflare.com felipe.ns.cloudflare.com felipe.ns.cloudflare.com felipe.ns.cloudflare.com felipe.ns.cloudflare.com felipe.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
pat.ns.cloudflare.com	108.162.192.139 172.64.32.139 173.245.58.139 2606:4700:50::adf5:3a8b 2803:f800:50::6ca2:c08b 2a06:98c1:50::ac40:208b	pat.ns.cloudflare.com pat.ns.cloudflare.com pat.ns.cloudflare.com pat.ns.cloudflare.com pat.ns.cloudflare.com pat.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 105ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.15.58	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.161.188	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 148ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

2 records 92ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:f3a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:a1bc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 426ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.15.58,172.67.161.188 ech=AEX+DQBBawAgACAlqh8w/uLZKf7J65iNHYNnBIRbkc2pDrPvB/j5ugm0RAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:f3a,2606:4700:3037::ac43:a1bc

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-09 08:50:42

www	104.21.15.58 172.67.161.188 2606:4700:3032::6815:f3a 2606:4700:3037::ac43:a1bc (AS13335) (address records, no CNAME)
www vs bare domain	Same network erasmussen.dk: 104.21.15.58 172.67.161.188 2606:4700:3032::6815:f3a 2606:4700:3037::ac43:a1bc (AS13335) www.erasmussen.dk: 104.21.15.58 172.67.161.188 2606:4700:3032::6815:f3a 2606:4700:3037::ac43:a1bc (AS13335)
Wildcard	No

🔗 TLSA / DANE#

4 records 439ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…

🔐 DNSSEC#

635ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

160ms

Field	Value
Serial	2406799788
Primary NS (MNAME)	felipe.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 08:06:19

Field	Value
Registrar	ONE.COM A/S
Registered	2022-03-17
Expires	2027-03-16 (149d)

📋 WHOIS#

⏱️ Lookup Timing#

415ms

105ms

148ms

AAAA

92ms

TXT

716ms

CAA

166ms

HTTPS

426ms

TLSA

439ms

SOA

160ms

MTA-STS

194ms

DNSSEC

635ms

SRV

404ms

Total

2964ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 08:50:42	852ms	2 NS 2 A 4 MX	🔓 Insecure
2026-10-01 06:17:01	544ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-21 00:29:58	1655ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-12 01:26:31	1124ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-23 04:20:15	9770ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-27 00:25:33	953ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-25 04:40:10	1058ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-25 00:53:03 shown	2964ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-22 21:25:55	1096ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 06:08:39	4406ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-17 08:23:35	18201ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-17 08:17:17	2496ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-17 08:00:40	743ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-17 08:00:06	1257ms	2 NS 2 A 4 MX	🔓 Insecure