cpdse.dk DNS records

🖥️ Nameservers3 records 62ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.sdu.dk	130.225.155.136	ns1.sdu.dk	AS1835 IDDQD-AS
ns2.sdu.dk	130.225.155.148	ns2.sdu.dk	AS1835 IDDQD-AS
ns3.sdu.dk	193.163.227.4	ns3.sdu.dk	AS44328 Region Syddanmark

🌍 A Records4 records 82ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.199.108.153	28800s	cdn-185-199-108-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.109.153	28800s	cdn-185-199-109-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.110.153	28800s	cdn-185-199-110-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.111.153	28800s	cdn-185-199-111-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—

📧 MX Records2 records 74ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	28800s	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	28800s	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 494ms

TXT Record
protonmail-verification=03a3974164909c6898745723e367846a39b16464
v=spf1 include:_spf.protonmail.ch include:_spf.sdu.dk -all

✉️ SPF

Policy	Record (cpdse.dk)
-all (hard fail)	v=spf1 include:_spf.protonmail.ch include:_spf.sdu.dk -all

📨 DMARC

Policy	Record (_dmarc.cpdse.dk)
p=reject	v=DMARC1; p=reject; sp=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 / DANE4 records 251ms

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…

🔐 DNSSEC196ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	545
Primary NS (MNAME)	ns1.sdu.dk
Responsible (RNAME)	dns@sdu.dk
Refresh	10800s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	900s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

62ms

A

82ms

MX

74ms

AAAA

86ms

TXT

494ms

CAA

87ms

HTTPS

16087ms

TLSA

251ms

SOA

0ms

MTA-STS

112ms

DNSSEC

196ms

SRV

232ms

Total

19966ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 19:28:54	19966ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-08-24 18:22:19	7156ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-08-23 07:34:20	5085ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-08-18 02:44:02	6589ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-08-17 00:58:34	6469ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-08-14 21:58:54	5075ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-08-10 16:36:07	5121ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-08-03 11:52:35	8965ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-07-31 10:33:47	5005ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-07-27 05:00:04	17205ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-07-25 04:07:59	16945ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-07-23 02:02:45	40799ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-07-21 16:13:45	24745ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-07-20 15:15:49	16945ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-07-18 07:38:29	6393ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-07-16 04:54:40	5460ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-07-09 06:07:00	18231ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-07-06 02:21:48	4959ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-07-04 17:18:05	7029ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-07-01 13:01:10	4809ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-06-28 18:42:42	4582ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-06-24 20:45:29	6473ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-06-22 10:14:19	904ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 21:28:46	7220ms	3 NS 4 A 2 MX	🔒 Secure	View
2026-06-16 22:52:20	2628ms	3 NS 4 A 2 MX	🔒 Secure	View