twu.dk DNS records

🖥️ Nameservers2 records 208ms

Nameserver	IP addresses	PTR	ASN / ISP
adele.ns.cloudflare.com	108.162.194.156 162.159.38.156 172.64.34.156 2606:4700:50::a29f:269c 2803:f800:50::6ca2:c29c 2a06:98c1:50::ac40:229c	adele.ns.cloudflare.com adele.ns.cloudflare.com adele.ns.cloudflare.com adele.ns.cloudflare.com adele.ns.cloudflare.com adele.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jobs.ns.cloudflare.com	108.162.193.183 172.64.33.183 173.245.59.183 2606:4700:58::adf5:3bb7 2803:f800:50::6ca2:c1b7 2a06:98c1:50::ac40:21b7	jobs.ns.cloudflare.com jobs.ns.cloudflare.com jobs.ns.cloudflare.com jobs.ns.cloudflare.com jobs.ns.cloudflare.com jobs.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records2 records 292ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	300s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 872ms

TXT Record
protonmail-verification=952736fcf855e94779102faa9a0a402d81700433
v=spf1 include:_spf.protonmail.ch mx ~all

✉️ SPF

Policy	Record (twu.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch mx ~all

📨 DMARC

Policy	Record (_dmarc.twu.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 MTA-STS893ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	20230906000000Z
max_age	604800s
Policy MX	mail.protonmail.ch, mailsec.protonmail.ch

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE4 records 326ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC469ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2412666419
Primary NS (MNAME)	adele.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

208ms

A

266ms

MX

292ms

AAAA

276ms

TXT

872ms

CAA

248ms

HTTPS

254ms

TLSA

326ms

SOA

0ms

MTA-STS

893ms

DNSSEC

469ms

SRV

300ms

Total

8389ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-21 00:22:24	8389ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-08-08 17:06:47	1175ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-08-06 23:38:17	1212ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-07-27 09:35:01	17072ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-07-18 16:11:44	2707ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-07-17 16:00:32	1367ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-07-03 15:00:18	1109ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-23 17:33:11	3128ms	2 NS 0 A 2 MX	🔒 Secure	View
2026-06-22 15:14:10	1187ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 12:11:46	5840ms	2 NS 0 A 2 MX	🔒 Secure	View