erasmus.dk

Records from scan: 2026-10-04 13:36:13 · 1628ms total · last checked 2026-10-16 11:21 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 46ms

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 69ms

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 53ms

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:ca21::a 2a01:111:f403:ca38::a 52.101.68.27 52.101.68.29 52.101.73.155 52.101.91.162	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-maspr04cu00102.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am7pr02cu00203.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 50ms

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 69ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.75.40,172.67.211.203 ech=AEX+DQBBYQAgACDIPKFSt0JAezoYcaQ1iardOF66t/OyUIvkltiTKxU1DQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4b28,2606:4700:3033::ac43:d3cb

🔌 SRV Records#

1 records 93ms

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

📝 TXT Records#

2 records 216ms

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#

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#

161ms

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

🏷️ SOA#

54ms

Field	Value
Serial	2416559611
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 (2357d)

📋 WHOIS#

⏱️ Lookup Timing#

46ms

69ms

53ms

AAAA

50ms

TXT

216ms

CAA

58ms

HTTPS

69ms

TLSA

737ms

SOA

54ms

MTA-STS

107ms

DNSSEC

161ms

SRV

93ms

Total

1628ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 13:36:13 shown	1628ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 12:51:05	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