frontline-security.dk

📜 Historical scan 2026-06-17 10:10:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

frontline-security.dk is a .dk domain served by 2 nameservers (abby.ns.cloudflare.com, olof.ns.cloudflare.com). It was registered on 20 October 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.40.167 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
abby.ns.cloudflare.com	108.162.192.100 172.64.32.100 173.245.58.100 2606:4700:50::adf5:3a64 2803:f800:50::6ca2:c064 2a06:98c1:50::ac40:2064	abby.ns.cloudflare.com abby.ns.cloudflare.com abby.ns.cloudflare.com abby.ns.cloudflare.com abby.ns.cloudflare.com abby.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
olof.ns.cloudflare.com	108.162.195.51 162.159.44.51 172.64.35.51 2606:4700:58::a29f:2c33 2803:f800:50::6ca2:c333 2a06:98c1:50::ac40:2333	olof.ns.cloudflare.com olof.ns.cloudflare.com olof.ns.cloudflare.com olof.ns.cloudflare.com olof.ns.cloudflare.com olof.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 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.40.167	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.187.114	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	—	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	—	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	—	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

2 records 147ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:28a7	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:bb72	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 194ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.40.167,172.67.187.114 ech=AEX+DQBB4AAgACDCYF+8kn+lkITHi/BN3p8uJF8P53PV1auDSJxA263SZwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:28a7,2606:4700:3036::ac43:bb72

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-09 10:49:12

www	104.21.40.167 172.67.187.114 2606:4700:3030::6815:28a7 2606:4700:3032::ac43:bb72 (AS13335) (address records, no CNAME)
www vs bare domain	Same network frontline-security.dk: 104.21.40.167 172.67.187.114 2606:4700:3030::6815:28a7 2606:4700:3032::ac43:bb72 (AS13335) www.frontline-security.dk: 104.21.40.167 172.67.187.114 2606:4700:3030::6815:28a7 2606:4700:3032::ac43:bb72 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

4 records 313ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…

🔐 DNSSEC#

169ms

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

🏷️ SOA#

75ms

Field	Value
Serial	2404309116
Primary NS (MNAME)	abby.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 22:02:17

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-10-20
Expires	2028-07-31 (649d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

55ms

50ms

AAAA

147ms

TXT

185ms

CAA

129ms

HTTPS

194ms

TLSA

313ms

SOA

75ms

MTA-STS

111ms

DNSSEC

169ms

SRV

0ms

Total

3575ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:49:12	1121ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-30 17:24:16	772ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-26 15:19:24	759ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-12 18:50:51	850ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-09 11:34:35	840ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-31 06:20:09	2895ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-27 12:23:18	1472ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-26 11:55:47	876ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-14 19:39:43	1080ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-26 23:41:40	969ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-17 10:10:12 shown	3575ms	2 NS 2 A 4 MX	🔓 Insecure