erasmussen.dk

📜 Historical scan 2026-10-01 06:17:01 · ← 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 49ms

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 53ms

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 48ms

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 59ms

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 53ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.15.58,172.67.161.188 ech=AEX+DQBBSwAgACCSnk0m7tsUp6JZ0lQeHADjq8jqHICYYFZRDF9ff8PXVgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= 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 72ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…

🔐 DNSSEC#

89ms

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

🏷️ SOA#

44ms

Field	Value
Serial	2415415711
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 (148d)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

53ms

48ms

AAAA

59ms

TXT

188ms

CAA

51ms

HTTPS

53ms

TLSA

72ms

SOA

44ms

MTA-STS

84ms

DNSSEC

89ms

SRV

71ms

Total

544ms

🕐 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 shown	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	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