`frontlinesecurity.dk`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:9a77^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:4207^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.66.7^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.154.119^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`abby.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a64^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abby.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c064^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`abby.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2064^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`abby.ns.cloudflare.com`
		A	108.162.192.100^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abby.ns.cloudflare.com`
		A	172.64.32.100^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abby.ns.cloudflare.com`
		A	173.245.58.100^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`abby.ns.cloudflare.com`
NS	`olof.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c33^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olof.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c333^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`olof.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2333^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`olof.ns.cloudflare.com`
		A	108.162.195.51^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olof.ns.cloudflare.com`
		A	162.159.44.51^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olof.ns.cloudflare.com`
		A	172.64.35.51^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`olof.ns.cloudflare.com`
MX	`mx1.pub.mailpod11-cph3.one.com` ⭐
		A	104.37.34.230^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx1.pub.mailpod11-cph3.one.com`
MX	`mx2.pub.mailpod11-cph3.one.com` ⭐
		A	104.37.34.231^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx2.pub.mailpod11-cph3.one.com`
MX	`mx3.pub.mailpod11-cph3.one.com` ⭐
		A	104.37.34.232^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx3.pub.mailpod11-cph3.one.com`
MX	`mx4.pub.mailpod11-cph3.one.com` ⭐
		A	104.37.34.233^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx4.pub.mailpod11-cph3.one.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.66.7, 172.67.154.119
		IPv6 hints	2606:4700:3034::ac43:9a77, 2606:4700:3035::6815:4207
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=184, name=cloudflare-ech.com
SOA	`abby.ns.cloudflare.com`dns@cloudflare.com serial=2399728527

`dk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`b.nic.dk` ⭐
	NS	`c.nic.dk`
	NS	`h.nic.dk`
	NS	`l.nic.dk`
	NS	`s.nic.dk`
	NS	`t.nic.dk`
	TXT	`DK zone updateEpoch 1776078541localtime Mon Apr 13 13:09:01 2026gmtime Mon Ap...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1776078541

Same first word

Similar names

securityfrontline.org

securityfrontline.com

DNS History

19 records (10 active, 9 former)

●NSabby.ns.cloudflare.com2026-03-06 → 2026-04-13 · 3 obs

○ 2018-07-26 12:20:54
● 2026-03-06 09:19:36
● 2026-04-13 11:19:48

○NSns1.gratisdns.dk2015-07-01 → 2018-07-26 · 4 obs

● 2015-07-01 09:52:40
● 2018-07-26 12:20:54
○ 2026-03-06 09:19:36
○ 2026-04-13 11:19:48

○NSns2.gratisdns.dk2015-07-01 → 2018-07-26 · 4 obs

● 2015-07-01 09:52:40
● 2018-07-26 12:20:54
○ 2026-03-06 09:19:36
○ 2026-04-13 11:19:48

○NSns3.gratisdns.dk2015-07-01 → 2018-07-26 · 4 obs

● 2015-07-01 09:52:40
● 2018-07-26 12:20:54
○ 2026-03-06 09:19:36
○ 2026-04-13 11:19:48

○NSns4.gratisdns.dk2015-07-01 → 2018-07-26 · 4 obs

● 2015-07-01 09:52:40
● 2018-07-26 12:20:54
○ 2026-03-06 09:19:36
○ 2026-04-13 11:19:48

○NSns5.gratisdns.dk2015-07-01 → 2018-07-26 · 4 obs

● 2015-07-01 09:52:40
● 2018-07-26 12:20:54
○ 2026-03-06 09:19:36
○ 2026-04-13 11:19:48

●NSolof.ns.cloudflare.com2026-03-06 → 2026-04-13 · 3 obs

○ 2018-07-26 12:20:54
● 2026-03-06 09:19:36
● 2026-04-13 11:19:48

●MXmx1.pub.mailpod11-cph3.one.com2026-03-06 → 2026-04-13 · 2 obs

● 2026-03-06 09:19:36
● 2026-04-13 11:19:48

●MXmx2.pub.mailpod11-cph3.one.com2026-03-06 → 2026-04-13 · 2 obs

● 2026-03-06 09:19:36
● 2026-04-13 11:19:48

●MXmx3.pub.mailpod11-cph3.one.com2026-03-06 → 2026-04-13 · 2 obs

● 2026-03-06 09:19:36
● 2026-04-13 11:19:48

●MXmx4.pub.mailpod11-cph3.one.com2026-03-06 → 2026-04-13 · 2 obs

● 2026-03-06 09:19:36
● 2026-04-13 11:19:48

●A104.21.66.72026-03-06 → 2026-04-13 · 6 obs

○ 2018-07-26 12:20:54
● 2026-03-06 09:19:36
○ 2026-03-12 04:54:54
○ 2026-03-20 05:01:56
● 2026-03-20 10:11:58
● 2026-04-13 11:19:48

○A172.64.80.12026-03-12 → 2026-03-20 · 5 obs

○ 2026-03-06 09:19:36
● 2026-03-12 04:54:54
● 2026-03-20 05:01:56
○ 2026-03-20 10:11:58
○ 2026-04-13 11:19:48

●A172.67.154.1192026-03-06 → 2026-04-13 · 6 obs

○ 2018-07-26 12:20:54
● 2026-03-06 09:19:36
○ 2026-03-12 04:54:54
○ 2026-03-20 05:01:56
● 2026-03-20 10:11:58
● 2026-04-13 11:19:48

○A2001:67c:3c0:12::532015-07-01 → 2018-07-26 · 4 obs

● 2015-07-01 09:52:40
● 2018-07-26 12:20:54
○ 2026-03-06 09:19:36
○ 2026-04-13 11:19:48

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-12 → 2026-03-20 · 5 obs

○ 2026-03-06 09:19:36
● 2026-03-12 04:54:54
● 2026-03-20 05:01:56
○ 2026-03-20 10:11:58
○ 2026-04-13 11:19:48

●A2606:4700:3034::ac43:9a772026-03-06 → 2026-04-13 · 6 obs

○ 2018-07-26 12:20:54
● 2026-03-06 09:19:36
○ 2026-03-12 04:54:54
○ 2026-03-20 05:01:56
● 2026-03-20 10:11:58
● 2026-04-13 11:19:48

●A2606:4700:3035::6815:42072026-03-06 → 2026-04-13 · 6 obs

○ 2018-07-26 12:20:54
● 2026-03-06 09:19:36
○ 2026-03-12 04:54:54
○ 2026-03-20 05:01:56
● 2026-03-20 10:11:58
● 2026-04-13 11:19:48

○A91.221.196.2532015-07-01 → 2018-07-26 · 4 obs

● 2015-07-01 09:52:40
● 2018-07-26 12:20:54
○ 2026-03-06 09:19:36
○ 2026-04-13 11:19:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	12 records
frontlinesecurity.dk	abby.ns.cloudflare.com, olof.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.51

NS records: abby.ns.cloudflare.com, olof.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for frontlinesecurity.dk (unsigned zone)

⏱️ Timing

Total: 478ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.154.119, 104.21.66.7`
AAAA	2	`2606:4700:3034::ac43:9a77, 2606:4700:3035::6815:4207`
NS	2	`abby.ns.cloudflare.com, olof.ns.cloudflare.com`
MX	4	`mx1.pub.mailpod11-cph3.one.com (pri: 10), mx2.pub.mailpod11-cph3.one.com (pri: 10)...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`abby.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (b.nic.dk, b.nic.dk, c.nic.dk...)

Analysis

IP Addresses

frontlinesecurity.dk points to four IP numbers: 2606:4700:3034::ac43:9a77, 2606:4700:3035::6815:4207, 104.21.66.7 and 172.67.154.119.

For instance, other host names www.tlp365.com, usxtra.com, nollima0426h.olxtoto.dev, delawarechristmas.com and nextiny.es share IP numbers with frontlinesecurity.dk.

Name Servers

frontlinesecurity.dk is delegated to two name servers: abby.ns.cloudflare.com and olof.ns.cloudflare.com.

frontlinesecurity.dk uses the same name server setup as other domains such as playonline.top, xosominhngoc.live, hkgameone.org, surfvisits.com and khaoyaipanoramafarm.com.

frontlinesecurity.dk shares name servers with other domains at least partially, for example wellingtoncourt.net, getaisi.com, quantshub.com, aiotechnv.com and phayathaiblainville.ca.

These name servers are commonly used with the name servers lloyd.ns.cloudflare.com and opal.ns.cloudflare.com.

Host names with six IP numbers: host name abby.ns.cloudflare.com points to: 2606:4700:50::adf5:3a64, 2803:f800:50::6ca2:c064, 2a06:98c1:50::ac40:2064, 108.162.192.100, 172.64.32.100 and 173.245.58.100; host name olof.ns.cloudflare.com points to: 2606:4700:58::a29f:2c33, 2803:f800:50::6ca2:c333, 2a06:98c1:50::ac40:2333, 108.162.195.51, 162.159.44.51 and 172.64.35.51.

Mail Servers

frontlinesecurity.dk is handled by four mail servers: mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com, mx3.pub.mailpod11-cph3.one.com and mx4.pub.mailpod11-cph3.one.com.

frontlinesecurity.dk shares mail servers with other domains at least partially; for instance co-deco.be, pos.dk, sophielangevin.com, jnsn.nl and ekvinde.dk.

Host names with a single IP:

mx1.pub.mailpod11-cph3.one.com points to 104.37.34.230

mx2.pub.mailpod11-cph3.one.com points to 104.37.34.231

mx3.pub.mailpod11-cph3.one.com points to 104.37.34.232

mx4.pub.mailpod11-cph3.one.com points to 104.37.34.233

frontlinesecurity.dk - robtex.com