doi.dk

📜 Historical scan 2026-09-19 23:25:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

doi.dk is a .dk domain served by 2 nameservers (dave.ns.cloudflare.com, marge.ns.cloudflare.com). It was registered on 8 May 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.34.185 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.dknyt.dk. 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#

2 records 120ms

Nameserver	IP addresses	PTR	ASN / ISP
dave.ns.cloudflare.com	108.162.193.109 172.64.33.109 173.245.59.109 2606:4700:58::adf5:3b6d 2803:f800:50::6ca2:c16d 2a06:98c1:50::ac40:216d	dave.ns.cloudflare.com dave.ns.cloudflare.com dave.ns.cloudflare.com dave.ns.cloudflare.com dave.ns.cloudflare.com dave.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
marge.ns.cloudflare.com	108.162.192.191 172.64.32.191 173.245.58.191 2606:4700:50::adf5:3abf 2803:f800:50::6ca2:c0bf 2a06:98c1:50::ac40:20bf	marge.ns.cloudflare.com marge.ns.cloudflare.com marge.ns.cloudflare.com marge.ns.cloudflare.com marge.ns.cloudflare.com marge.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 110ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.34.185	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.163.186	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 107ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.dknyt.dk	57.129.84.158	flex29.flexnet.dk	AS16276 OVH SAS

🔷 AAAA Records (IPv6)#

2 records 107ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:22b9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:a3ba	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 103ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.34.185,172.67.163.186 ech=AEX+DQBBQQAgACAIYPSZFgmzt14uKZX4iTZpEp3xPHm4bROsxYrBw3rGOQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:22b9,2606:4700:3036::ac43:a3ba

📝 TXT Records#

2 records 268ms

TXT Record
google-site-verification=glz4BPiwsdP_mQuVvsTk2Aa-egpe_nhQrUnhxFa2Zdk
v=spf1 include:mailgun.org include:_spf.tem.scaleway.com ~all

✉️ SPF#

Policy	Record (doi.dk)
~all (soft fail)	v=spf1 include:mailgun.org include:_spf.tem.scaleway.com ~all

📨 DMARC#

Policy	Record (_dmarc.doi.dk)
p=reject	v=DMARC1; p=reject; pct=1; rua=mailto:gktmeydf@ag.dmarcian.eu;

📬 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 2026-10-14 17:51:10

www	104.21.34.185 172.67.163.186 2606:4700:3033::6815:22b9 2606:4700:3036::ac43:a3ba (AS13335) (address records, no CNAME)
www vs bare domain	Same network doi.dk: 104.21.34.185 172.67.163.186 2606:4700:3033::6815:22b9 2606:4700:3036::ac43:a3ba (AS13335) www.doi.dk: 104.21.34.185 172.67.163.186 2606:4700:3033::6815:22b9 2606:4700:3036::ac43:a3ba (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.doi.dk	SoLpDH1ItT6FhBqxAvYvh2ZaXr-WcCQgruvvr48klRk
TXT	_acme-challenge.doi.dk	oa89tTN31oErpCCQBFqr1qAIutNP1Il1_6Ks7eIvum0

🔗 TLSA / DANE#

1 records 1292ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.dknyt.dk	DANE-EE · SPKI · SHA-256	226A8D5B2B5C9271BAC4893123143A55…

🔐 DNSSEC#

178ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415318728
Primary NS (MNAME)	dave.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 18:09:08

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-05-08
Expires	2027-04-30 (195d)

🔗 Same registrant#

39 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
a1emballage.dk	Punktum dk A/S (direct)
a1pallehandel.dk	Punktum dk A/S (direct)
a1pallemøbler.dk	ONE.COM A/S
a4nu.dk	Punktum dk A/S (direct)
a4ok.dk	Punktum dk A/S (direct)
a4senior.dk	Punktum dk A/S (direct)
a4sund.dk	Punktum dk A/S (direct)
a4sundhed.dk	Punktum dk A/S (direct)
a4tr.dk	Punktum dk A/S (direct)
aaretstr.dk	Punktum dk A/S (direct)
alsingen.dk	Punktum dk A/S (direct)
arbejdsmiljoe.dk	Punktum dk A/S (direct)
dk-ai.dk	Punktum dk A/S (direct)
dk-navnenyt.dk	Punktum dk A/S (direct)
dk-podcast.dk	Punktum dk A/S (direct)
dk-politik.dk	Punktum dk A/S (direct)
dk-websolutions.dk	Punktum dk A/S (direct)
dk-weekend.dk	Punktum dk A/S (direct)
dkcreative.dk	Punktum dk A/S (direct)
dkindkob.dk	Punktum dk A/S (direct)
dkinnovation.dk	Punktum dk A/S (direct)
dkmedier.dk	Punktum dk A/S (direct)
dkpublishing.dk	Punktum dk A/S (direct)
dksocial.dk	Punktum dk A/S (direct)
dksolenergi.dk	Punktum dk A/S (direct)
dkstillinger.dk	Punktum dk A/S (direct)
dkteknikogmiljoe.dk	Punktum dk A/S (direct)
dkveltek.dk	Punktum dk A/S (direct)
dkvindkraft.dk	Punktum dk A/S (direct)
doijob.dk	Punktum dk A/S (direct)
flexnet.dk	Punktum dk A/S (direct)
flexproject.dk	Punktum dk A/S (direct)
folkemoedeavisen.dk	Punktum dk A/S (direct)
komjob.dk	Punktum dk A/S (direct)
media360.dk	Punktum dk A/S (direct)
miljoeogressourcer.dk	Punktum dk A/S (direct)
offshoreindustry.dk	Punktum dk A/S (direct)
roskildenseren.dk	Punktum dk A/S (direct)
susfeldtskov.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

120ms

110ms

107ms

AAAA

107ms

TXT

268ms

CAA

93ms

HTTPS

103ms

TLSA

1292ms

SOA

0ms

MTA-STS

115ms

DNSSEC

178ms

SRV

152ms

Total

1903ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 17:51:10	742ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-24 02:03:50	1221ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-19 23:25:23 shown	1903ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-03 04:37:48	1431ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 02:57:09	1733ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-07 13:18:55	1079ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-22 14:38:22	1905ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-21 14:35:45	9895ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-11 08:49:48	1237ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-06 17:41:04	4493ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-27 05:52:40	1839ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 19:14:24	1368ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 04:05:28	523ms	2 NS 2 A 1 MX	🔓 Insecure