erasmus.dk

📜 Historical scan 2026-09-26 12:51:05 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

erasmus.dk is a .dk domain served by 2 nameservers (meiling.ns.cloudflare.com, sullivan.ns.cloudflare.com). It was registered on 28 February 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.75.40 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by erasmus-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 62ms

Nameserver	IP addresses	PTR	ASN / ISP
meiling.ns.cloudflare.com	108.162.194.254 162.159.38.254 172.64.34.254 2606:4700:50::a29f:26fe 2803:f800:50::6ca2:c2fe 2a06:98c1:50::ac40:22fe	meiling.ns.cloudflare.com meiling.ns.cloudflare.com meiling.ns.cloudflare.com meiling.ns.cloudflare.com meiling.ns.cloudflare.com meiling.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sullivan.ns.cloudflare.com	108.162.195.161 162.159.44.161 172.64.35.161 2606:4700:58::a29f:2ca1 2803:f800:50::6ca2:c3a1 2a06:98c1:50::ac40:23a1	sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.ns.cloudflare.com sullivan.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 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.75.40	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.211.203	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	erasmus-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09::20 2a01:111:f403:ca48::10 2a01:111:f403:ca48::c 52.101.103.39 52.101.209.153 52.101.73.145 52.101.91.162	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-matpr04cu00302.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	172.67.211.203
🔶 Autoconfig	104.21.75.40

🔷 AAAA Records (IPv6)#

2 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:4b28	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:d3cb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 64ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.75.40,172.67.211.203 ech=AEX+DQBBNwAgACDOo6zzzHdoH45Az6aHWK4YMXnDVugtAXTQA3aguUe+LwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4b28,2606:4700:3033::ac43:d3cb

🔌 SRV Records#

1 records 132ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 309ms

TXT Record
google-site-verification=If6cOSQmOp9V_hD8g4BVHyavzzP-Yd3cwDydikjfHKU
v=spf1 ip4:94.189.36.14 ip4:87.63.196.217 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (erasmus.dk)
-all (hard fail)	v=spf1 ip4:94.189.36.14 ip4:87.63.196.217 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.erasmus.dk)
p=reject	v=DMARC1; p=reject;

📬 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 2026-10-11 06:09:34

www	104.21.75.40 172.67.211.203 2606:4700:3031::6815:4b28 2606:4700:3033::ac43:d3cb (AS13335) (address records, no CNAME)
www vs bare domain	Same network erasmus.dk: 104.21.75.40 172.67.211.203 2606:4700:3031::6815:4b28 2606:4700:3033::ac43:d3cb (AS13335) www.erasmus.dk: 104.21.75.40 172.67.211.203 2606:4700:3031::6815:4b28 2606:4700:3033::ac43:d3cb (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 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#

9082ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415192144
Primary NS (MNAME)	meiling.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 13:50:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-02-28
Expires	2033-03-31 (2356d)

📋 WHOIS#

⏱️ Lookup Timing#

62ms

55ms

38ms

AAAA

49ms

TXT

309ms

CAA

55ms

HTTPS

64ms

TLSA

375ms

SOA

0ms

MTA-STS

62ms

DNSSEC

9082ms

SRV

132ms

Total

9873ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 13:36:13	1628ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 12:51:05 shown	9873ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 16:18:51	1073ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-08 01:20:24	1297ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-06 16:44:30	1506ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-21 12:31:01	1514ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 18:52:29	719ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 00:51:10	995ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 08:19:23	1986ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 08:14:12	8132ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 08:09:00	767ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 08:00:14	612ms	2 NS 2 A 1 MX	🔓 Insecure