oberdieck.dk

📜 Historical scan 2026-06-17 16:30:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

oberdieck.dk is a .dk domain served by 4 nameservers (ns-1361.awsdns-42.org, ns-1707.awsdns-21.co.uk, ns-411.awsdns-51.com and 1 more). It was registered on 8 August 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 113ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1361.awsdns-42.org	205.251.197.81 2600:9000:5305:5100::1	ns-1361.awsdns-42.org ns-1361.awsdns-42.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1707.awsdns-21.co.uk	205.251.198.171 2600:9000:5306:ab00::1	ns-1707.awsdns-21.co.uk ns-1707.awsdns-21.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-411.awsdns-51.com	205.251.193.155 2600:9000:5301:9b00::1	ns-411.awsdns-51.com ns-411.awsdns-51.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-998.awsdns-60.net	205.251.195.230 2600:9000:5303:e600::1	ns-998.awsdns-60.net ns-998.awsdns-60.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

4 records 115ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.199.108.153	—	cdn-185-199-108-153.github.com	AS54113	—	—	—	—
185.199.109.153	—	cdn-185-199-109-153.github.com	AS54113	—	—	—	—
185.199.110.153	—	cdn-185-199-110-153.github.com	AS54113	—	—	—	—
185.199.111.153	—	cdn-185-199-111-153.github.com	AS54113	—	—	—	—

📧 MX Records#

2 records 122ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	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	—	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)#

4 records 110ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:50c0:8000::153	—	—	AS54113	—	—	—	—
2606:50c0:8001::153	—	—	AS54113	—	—	—	—
2606:50c0:8002::153	—	—	AS54113	—	—	—	—
2606:50c0:8003::153	—	—	AS54113	—	—	—	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 205ms

TXT Record
protonmail-verification=627e8653e63f543e0cce1e96deb92f96e6b85fe2
v=spf1 include:_spf.protonmail.ch mx ~all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.oberdieck.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 18:42:35

www CNAME	richardoberdieck.github.io (all on github.io) → 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 2606:50c0:8000::153 2606:50c0:8001::153 2606:50c0:8002::153 2606:50c0:8003::153 (AS54113)
www vs bare domain	Same network oberdieck.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) www.oberdieck.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records 325ms

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…

🔐 DNSSEC#

167ms

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

🏷️ SOA#

105ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-998.awsdns-60.net
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-06 13:58:56

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-08-08
Expires	2027-08-31 (312d)

📋 WHOIS#

⏱️ Lookup Timing#

113ms

115ms

122ms

AAAA

110ms

TXT

205ms

CAA

106ms

HTTPS

102ms

TLSA

325ms

SOA

105ms

MTA-STS

107ms

DNSSEC

167ms

SRV

0ms

Total

1568ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-07-01 04:52:29	1146ms	4 NS 4 A 2 MX	🔓 Insecure
2026-06-19 13:21:11	1443ms	4 NS 4 A 2 MX	⚠️ Bogus
2026-06-17 16:30:42 shown	1568ms	4 NS 4 A 2 MX	🔓 Insecure