gydf.dk

📜 Historical scan 2026-08-27 23:00:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gydf.dk is a .dk domain served by 2 nameservers (ivan.ns.cloudflare.com, janet.ns.cloudflare.com). It was registered on 5 March 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.59.177 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route3.mx.cloudflare.net, route1.mx.cloudflare.net and 1 more. The zone is not DNSSEC-signed, has no 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 47ms

Nameserver	IP addresses	PTR	ASN / ISP
ivan.ns.cloudflare.com	108.162.193.120 172.64.33.120 173.245.59.120 2606:4700:58::adf5:3b78 2803:f800:50::6ca2:c178 2a06:98c1:50::ac40:2178	ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
janet.ns.cloudflare.com	108.162.192.169 172.64.32.169 173.245.58.169 2606:4700:50::adf5:3aa9 2803:f800:50::6ca2:c0a9 2a06:98c1:50::ac40:20a9	janet.ns.cloudflare.com janet.ns.cloudflare.com janet.ns.cloudflare.com janet.ns.cloudflare.com janet.ns.cloudflare.com janet.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 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.59.177	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.182.6	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
55	300s	route3.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
58	300s	route1.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
99	300s	route2.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)#

2 records 57ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:b606	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::6815:3bb1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 39ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.59.177,172.67.182.6 ech=AEX+DQBBmgAgACD5idu/8YisJYN71y7dIfmC8zhZJt4K4vFs1eLqFApNZwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b606,2606:4700:3032::6815:3bb1

📝 TXT Records#

1 records 238ms

TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF#

Policy	Record (gydf.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-11 18:10:11

www	NXDOMAIN
www vs bare domain	www does not resolve gydf.dk: 104.21.59.177 172.67.182.6 2606:4700:3031::ac43:b606 2606:4700:3032::6815:3bb1 (AS13335) www.gydf.dk: no address (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

9 records 154ms

Service / Owner	Type	Cert association
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…

🔐 DNSSEC#

2072ms

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	2408512224
Primary NS (MNAME)	ivan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-20 13:31:42

Field	Value
Registrar	Simply.com A/S
Registered	2026-03-05
Expires	2027-03-04 (134d)

🔗 Same registrant#

29 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
aflever.dk	Simply.com A/S
danmarksbedstestil.dk	Simply.com A/S
e-study.dk	Simply.com A/S
erdetstudenteruge.dk	Simply.com A/S
gdf.dk	Punktum dk A/S (direct)
godekarakterer.dk	Simply.com A/S
grammatikbog.dk	Punktum dk A/S (direct)
guldnoter.dk	Punktum dk A/S (direct)
gymhjælpen.dk	Simply.com A/S
kildekritik.dk	Simply.com A/S
laererstuderende.dk	Punktum dk A/S (direct)
laerogleg.dk	Simply.com A/S
lektieportal.dk	Simply.com A/S
lærerstuderende.dk	Simply.com A/S
lærogleg.dk	Simply.com A/S
notenet.dk	Simply.com A/S
opgaver.dk	Punktum dk A/S (direct)
paedagogstuderende.dk	Simply.com A/S
privatlaerer.dk	Simply.com A/S
rettenøgle.dk	Punktum dk A/S (direct)
schulhilfeverlag.dk	Simply.com A/S
skolehjaelpen.dk	Punktum dk A/S (direct)
srp-bog.dk	Simply.com A/S
srp-bogen.dk	Simply.com A/S
srpbog.dk	Simply.com A/S
studentmedia.dk	Simply.com A/S
studentmediagroup.dk	Simply.com A/S
studieportalen.dk	Punktum dk A/S (direct)
studieweb.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

47ms

59ms

49ms

AAAA

57ms

TXT

238ms

CAA

49ms

HTTPS

39ms

TLSA

154ms

SOA

0ms

MTA-STS

56ms

DNSSEC

2072ms

SRV

72ms

Total

3117ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 13:06:35	986ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-23 17:41:53	1052ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-20 15:48:44	10317ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-12 07:22:35	1806ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-07 20:25:52	1596ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-04 07:16:35	846ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-31 14:54:36	817ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-27 23:00:32 shown	3117ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-03 13:27:50	6128ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-17 10:48:08	1210ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-17 10:42:15	3358ms	2 NS 2 A 3 MX	🔓 Insecure