struergf.dk

📜 Historical scan 2026-09-23 20:52:05 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

struergf.dk is a .dk domain served by 2 nameservers (duke.ns.cloudflare.com, kiki.ns.cloudflare.com). It was registered on 25 June 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.73.7 is hosted by Cloudflare, Inc. (AS13335). 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 60ms

Nameserver	IP addresses	PTR	ASN / ISP
duke.ns.cloudflare.com	108.162.193.110 172.64.33.110 173.245.59.110 2606:4700:58::adf5:3b6e 2803:f800:50::6ca2:c16e 2a06:98c1:50::ac40:216e	duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kiki.ns.cloudflare.com	108.162.192.180 172.64.32.180 173.245.58.180 2606:4700:50::adf5:3ab4 2803:f800:50::6ca2:c0b4 2a06:98c1:50::ac40:20b4	kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.73.7	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.136.231	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 55ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:4907	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:88e7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 59ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.73.7,172.67.136.231 ech=AEX+DQBBdQAgACBTPg8rwe7rLhavdc/3NydO7goOyoEhAF7G1QMqKOZiIgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4907,2606:4700:3033::ac43:88e7

📝 TXT Records#

1 records 216ms

TXT Record
v=spf1 mx a ip4:84.19.174.8 -all

✉️ SPF#

Policy	Record (struergf.dk)
-all (hard fail)	v=spf1 mx a ip4:84.19.174.8 -all

📨 DMARC#

Policy	Record (_dmarc.struergf.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@zakobo.dk; ruf=mailto:dmarc@zakobo.dk; fo=0:1:d:s; adkim=s; aspf=s

📬 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 2026-10-09 12:41:33

www	104.21.73.7 172.67.136.231 2606:4700:3030::6815:4907 2606:4700:3033::ac43:88e7 (AS13335) (address records, no CNAME)
www vs bare domain	Same network struergf.dk: 104.21.73.7 172.67.136.231 2606:4700:3030::6815:4907 2606:4700:3033::ac43:88e7 (AS13335) www.struergf.dk: 104.21.73.7 172.67.136.231 2606:4700:3030::6815:4907 2606:4700:3033::ac43:88e7 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

139ms

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	2415379885
Primary NS (MNAME)	duke.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 13:19:48

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-06-25
Expires	2027-06-30 (255d)

📋 WHOIS#

⏱️ Lookup Timing#

60ms

50ms

73ms

AAAA

55ms

TXT

216ms

CAA

52ms

HTTPS

59ms

TLSA

63ms

SOA

0ms

MTA-STS

91ms

DNSSEC

139ms

SRV

84ms

Total

728ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:41:33	710ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 06:10:52	436ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-27 02:10:36	533ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-23 20:52:05 shown	728ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-11 20:45:27	1092ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-22 21:51:05	868ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-24 10:00:21	911ms	2 NS 2 A 0 MX	❓ Unknown
2026-06-21 20:38:02	577ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-18 03:23:42	755ms	2 NS 2 A 0 MX	🔓 Insecure