frontline-security.dk

📜 Historical scan 2026-09-30 17:24:16 · ← 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 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.40.167	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.187.114	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.40.167
🔶 Autoconfig	104.21.40.167

🔷 AAAA Records (IPv6)#

2 records 50ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:28a7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:bb72	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 45ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.40.167,172.67.187.114 ech=AEX+DQBBIAAgACC0zA43QQEPXf0h948Q6XRjN1sVQRaoZpeWL8pJJzaaYwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:28a7,2606:4700:3032::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 84ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	24F573980561755185B794745411B05D…

🔐 DNSSEC#

77ms

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

🏷️ SOA#

77ms

Field	Value
Serial	2414567754
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

47ms

41ms

AAAA

50ms

TXT

257ms

CAA

39ms

HTTPS

45ms

TLSA

84ms

SOA

77ms

MTA-STS

86ms

DNSSEC

77ms

SRV

111ms

Total

772ms

🕐 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 shown	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	3575ms	2 NS 2 A 4 MX	🔓 Insecure