erasmus.dk DNS records

🖥️ Nameservers2 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 Records2 records 46ms

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 Records1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	erasmus-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::3 2a01:111:f403:ca09::4 2a01:111:f403:ca09::9 52.101.68.15 52.101.68.21 52.101.68.36 52.101.73.28	mail-db6pr03cu00105.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am7pr05cu00204.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	104.21.75.40
🔶 Autoconfig	172.67.211.203

🔷 AAAA Records (IPv6)2 records 64ms

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 Records1 records 60ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.75.40,172.67.211.203 ech=AEX+DQBBAgAgACD9YBsZa9AfGpokDESMlc0d5DTNYeFr/Py5lwrPydN/eQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4b28,2606:4700:3033::ac43:d3cb

🔌 SRV Records1 records 62ms

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

📝 TXT Records2 records 244ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC204ms

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

🏷️ SOA0ms

Field	Value
Serial	2411412419
Primary NS (MNAME)	meiling.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

46ms

A

46ms

MX

48ms

AAAA

64ms

TXT

244ms

CAA

53ms

HTTPS

60ms

TLSA

274ms

SOA

0ms

MTA-STS

66ms

DNSSEC

204ms

SRV

62ms

Total

1506ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-06 16:44:30	1506ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-21 12:31:01	1514ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 18:52:29	719ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 00:51:10	995ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 08:19:23	1986ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 08:14:12	8132ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 08:09:00	767ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 08:00:14	612ms	2 NS 2 A 1 MX	🔓 Insecure	View