esug.dk DNS records

🖥️ Nameservers2 records 328ms

Nameserver	IP addresses	PTR	ASN / ISP
clint.ns.cloudflare.com	108.162.193.90 172.64.33.90 173.245.59.90 2606:4700:58::adf5:3b5a 2803:f800:50::6ca2:c15a 2a06:98c1:50::ac40:215a	clint.ns.cloudflare.com clint.ns.cloudflare.com clint.ns.cloudflare.com clint.ns.cloudflare.com clint.ns.cloudflare.com clint.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lilyana.ns.cloudflare.com	108.162.194.244 162.159.38.244 172.64.34.244 2606:4700:50::a29f:26f4 2803:f800:50::6ca2:c2f4 2a06:98c1:50::ac40:22f4	lilyana.ns.cloudflare.com lilyana.ns.cloudflare.com lilyana.ns.cloudflare.com lilyana.ns.cloudflare.com lilyana.ns.cloudflare.com lilyana.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 335ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.50.209	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.167.29	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 340ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.spamfilter.io	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
20	300s	mxa.eu.mailgun.org	34.111.130.244	244.130.111.34.bc.googleusercontent.com	AS396982 Google LLC
30	300s	mxb.eu.mailgun.org	34.111.130.244	244.130.111.34.bc.googleusercontent.com	AS396982 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscoverredirect.webexchange.nu → 212.237.249.80

🔷 AAAA Records (IPv6)2 records 337ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:32d1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:a71d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 283ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.50.209,172.67.167.29 ech=AEX+DQBBagAgACDDsyVqPEAtrend6qvWNpnQ9uCKTibKejUzCnqEWJouYAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:32d1,2606:4700:3035::ac43:a71d

📝 TXT Records1 records 924ms

TXT Record
v=spf1 include:mailgun.org ip4:185.25.141.12 ip4:91.197.248.75 ip4:94.231.105.120 include:spf.curanet.dk ~all

✉️ SPF

Policy	Record (esug.dk)
~all (soft fail)	v=spf1 include:mailgun.org ip4:185.25.141.12 ip4:91.197.248.75 ip4:94.231.105.120 include:spf.curanet.dk ~all

📨 DMARC

Policy	Record (_dmarc.esug.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 / DANE1 records 621ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.spamfilter.io	DANE-EE · SPKI · SHA-256	9A25F05F2E322DABDCC9B7A06AB47A2D…

🔐 DNSSEC557ms

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	2408548597
Primary NS (MNAME)	clint.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

328ms

A

335ms

MX

340ms

AAAA

337ms

TXT

924ms

CAA

341ms

HTTPS

283ms

TLSA

621ms

SOA

0ms

MTA-STS

398ms

DNSSEC

557ms

SRV

366ms

Total

9865ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-03 20:35:18	9865ms	2 NS 2 A 3 MX	🔓 Insecure	View
2026-06-29 13:38:53	697ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-22 03:15:50	582ms	2 NS 1 A 3 MX	🔓 Insecure	View
2026-06-20 15:12:40	709ms	2 NS 1 A 3 MX	🔓 Insecure	View
2026-06-19 00:24:49	2126ms	2 NS 1 A 3 MX	🔓 Insecure	View
2026-06-17 08:27:02	1453ms	2 NS 1 A 3 MX	🔒 Secure	View