iun.dk DNS records

🖥️ Nameservers4 records 67ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.dnsimple.com	199.247.152.53 2620:111:8004::53	— —	AS32771 DNSimple Corporation AS32771 DNSimple Corporation
ns2.dnsimple.com	199.247.153.53 2620:111:8005::53	— —	AS32771 DNSimple Corporation AS32771 DNSimple Corporation
ns3.dnsimple.com	199.247.154.53 2620:111:8006::53	— —	AS32771 DNSimple Corporation AS32771 DNSimple Corporation
ns4.dnsimple.com	199.247.155.53 2620:111:8007::53	— —	AS32771 DNSimple Corporation AS32771 DNSimple Corporation

🌍 A Records1 records 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
76.76.21.21	3600s	—	AS16509	Amazon.com, Inc.	76.76.21.0/24	🇺🇸 United States	Walnut

📧 MX Records2 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	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	3600s	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 Records3 records 428ms

TXT Record
MS=F7C400E2378D020F892353922B084FFEC900EFE7
protonmail-verification=8490f63a6f9265d860a77caf2b5b2220d18f0267
v=spf1 include:_spf.protonmail.ch mx ~all

✉️ SPF

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

📨 DMARC

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

📬 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 / DANE4 records 99ms

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

🔐 DNSSEC158ms

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	1628230531
Primary NS (MNAME)	ns1.dnsimple.com
Responsible (RNAME)	admin@dnsimple.com
Refresh	86400s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

67ms

A

58ms

MX

52ms

AAAA

67ms

TXT

428ms

CAA

104ms

HTTPS

96ms

TLSA

99ms

SOA

0ms

MTA-STS

142ms

DNSSEC

158ms

SRV

105ms

Total

5898ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 08:52:10	5898ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-08-26 01:02:40	7681ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-24 10:08:19	1123ms	4 NS 1 A 2 MX	❓ Unknown	View
2026-06-21 19:22:06	723ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-21 17:58:25	998ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 04:55:02	1376ms	4 NS 1 A 2 MX	🔓 Insecure	View
2026-06-18 05:33:45	4490ms	4 NS 1 A 2 MX	🔓 Insecure	View