gerluf.dk - dns.ninja

`gerluf.dk`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:543b^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:bb1d^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.84.59^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.187.29^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ada.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a36^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c036^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ada.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2036^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ada.ns.cloudflare.com`
		A	108.162.192.54^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
		A	172.64.32.54^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
		A	173.245.58.54^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ada.ns.cloudflare.com`
NS	`nico.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c93^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nico.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c393^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nico.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2393^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nico.ns.cloudflare.com`
		A	108.162.195.147^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nico.ns.cloudflare.com`
		A	162.159.44.147^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nico.ns.cloudflare.com`
		A	172.64.35.147^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nico.ns.cloudflare.com`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`protonmail-verification=758e95090879ea3a6be3d6c11320d1fddc8aa037`
TXT	`v=spf1 include:_spf.protonmail.ch ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.84.59, 172.67.187.29
		IPv6 hints	2606:4700:3030::6815:543b, 2606:4700:3036::ac43:bb1d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=161, name=cloudflare-ech.com
SOA	`ada.ns.cloudflare.com`dns@cloudflare.com serial=2406734860

`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 1782347221localtime Thu Jun 25 02:27:01 2026gmtime Thu Ju...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1782347221

Same first word

gerluf.dk

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DNS History

21 records (8 active, 13 former)

●NSada.ns.cloudflare.com2026-03-08 → 2026-06-25 · 3 obs

○ 2017-04-06 12:02:40
● 2026-03-08 07:38:04
● 2026-06-25 00:44:46

●NSnico.ns.cloudflare.com2026-03-08 → 2026-06-25 · 3 obs

○ 2017-04-06 12:02:40
● 2026-03-08 07:38:04
● 2026-06-25 00:44:46

○NSns1.gratisdns.dk2015-08-11 → 2017-04-06 · 4 obs

● 2015-08-11 11:59:16
● 2017-04-06 12:02:40
○ 2026-03-08 07:38:04
○ 2026-06-25 00:44:46

○NSns2.gratisdns.dk2015-08-11 → 2017-04-06 · 4 obs

● 2015-08-11 11:59:16
● 2017-04-06 12:02:40
○ 2026-03-08 07:38:04
○ 2026-06-25 00:44:46

○NSns3.gratisdns.dk2015-08-11 → 2017-04-06 · 4 obs

● 2015-08-11 11:59:16
● 2017-04-06 12:02:40
○ 2026-03-08 07:38:04
○ 2026-06-25 00:44:46

○NSns4.gratisdns.dk2015-08-11 → 2017-04-06 · 4 obs

● 2015-08-11 11:59:16
● 2017-04-06 12:02:40
○ 2026-03-08 07:38:04
○ 2026-06-25 00:44:46

○NSns5.gratisdns.dk2015-08-11 → 2017-04-06 · 4 obs

● 2015-08-11 11:59:16
● 2017-04-06 12:02:40
○ 2026-03-08 07:38:04
○ 2026-06-25 00:44:46

●MXmail.protonmail.ch2026-03-08 → 2026-06-25 · 3 obs

○ 2017-04-06 12:02:40
● 2026-03-08 07:38:04
● 2026-06-25 00:44:46

●MXmailsec.protonmail.ch2026-03-08 → 2026-06-25 · 3 obs

○ 2017-04-06 12:02:40
● 2026-03-08 07:38:04
● 2026-06-25 00:44:46

○MXmx1.servage.net2015-08-11 → 2017-04-06 · 4 obs

● 2015-08-11 11:59:16
● 2017-04-06 12:02:40
○ 2026-03-08 07:38:04
○ 2026-06-25 00:44:46

○MXmx2.servage.net2015-08-11 → 2017-04-06 · 4 obs

● 2015-08-11 11:59:16
● 2017-04-06 12:02:40
○ 2026-03-08 07:38:04
○ 2026-06-25 00:44:46

●A104.21.84.592026-03-11 → 2026-06-25 · 8 obs

○ 2026-03-08 07:38:04
● 2026-03-11 06:59:50
○ 2026-03-13 17:34:48
● 2026-03-27 07:21:00
● 2026-05-01 05:34:22
○ 2026-05-07 07:47:32
● 2026-06-06 05:25:24
● 2026-06-25 00:44:46

○A172.64.80.12026-03-08 → 2026-03-08 · 4 obs

○ 2017-04-06 12:02:40
● 2026-03-08 07:38:04
○ 2026-03-11 06:59:50
○ 2026-06-25 00:44:46

●A172.67.187.292026-03-11 → 2026-06-25 · 8 obs

○ 2026-03-08 07:38:04
● 2026-03-11 06:59:50
○ 2026-03-13 17:34:48
● 2026-03-27 07:21:00
● 2026-05-01 05:34:22
○ 2026-05-07 07:47:32
● 2026-06-06 05:25:24
● 2026-06-25 00:44:46

○A188.114.96.02026-03-13 → 2026-05-07 · 7 obs

○ 2026-03-11 06:59:50
● 2026-03-13 17:34:48
○ 2026-03-27 07:21:00
○ 2026-05-01 05:34:22
● 2026-05-07 07:47:32
○ 2026-06-06 05:25:24
○ 2026-06-25 00:44:46

○A188.114.97.02026-03-13 → 2026-05-07 · 7 obs

○ 2026-03-11 06:59:50
● 2026-03-13 17:34:48
○ 2026-03-27 07:21:00
○ 2026-05-01 05:34:22
● 2026-05-07 07:47:32
○ 2026-06-06 05:25:24
○ 2026-06-25 00:44:46

●A2606:4700:3030::6815:543b2026-03-08 → 2026-06-25 · 6 obs

○ 2017-04-06 12:02:40
● 2026-03-08 07:38:04
● 2026-05-01 05:34:22
○ 2026-05-07 07:47:32
● 2026-06-06 05:25:24
● 2026-06-25 00:44:46

●A2606:4700:3036::ac43:bb1d2026-03-08 → 2026-06-25 · 6 obs

○ 2017-04-06 12:02:40
● 2026-03-08 07:38:04
● 2026-05-01 05:34:22
○ 2026-05-07 07:47:32
● 2026-06-06 05:25:24
● 2026-06-25 00:44:46

○A2a06:98c1:3120::2026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-01 05:34:22
● 2026-05-07 07:47:32
○ 2026-06-06 05:25:24
○ 2026-06-25 00:44:46

○A2a06:98c1:3121::2026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-01 05:34:22
● 2026-05-07 07:47:32
○ 2026-06-06 05:25:24
○ 2026-06-25 00:44:46

○A92.61.148.882015-08-11 → 2017-04-06 · 4 obs

● 2015-08-11 11:59:16
● 2017-04-06 12:02:40
○ 2026-03-08 07:38:04
○ 2026-06-25 00:44:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
gerluf.dk	ada.ns.cloudflare.com, nico.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.54

NS records: ada.ns.cloudflare.com, nico.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gerluf.dk (unsigned zone)

⏱️ Timing

Total: 1153ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.187.29, 104.21.84.59`
AAAA	2	`2606:4700:3030::6815:543b, 2606:4700:3036::ac43:bb1d`
NS	2	`ada.ns.cloudflare.com, nico.ns.cloudflare.com`
MX	2	`mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)`
TXT	2	`protonmail-verification=758e95090879ea3a, v=spf1 include:_spf.protonmail.ch ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ada.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

gerluf.dk has four IP addresses: 104.21.84.59, 172.67.187.29, 2606:4700:3030::6815:543b and 2606:4700:3036::ac43:bb1d.

www.md2.cl, www.phbest.cn, milosinar.my plus two other host names have IP numbers in common with gerluf.dk.

Name Servers

The NS records for gerluf.dk delegate to ada.ns.cloudflare.com and nico.ns.cloudflare.com.

The name server configuration of gerluf.dk is shared with other domains, for instance sports4u.net, 0r.dk, bbaa.com and two others.

gerluf.dk partially shares its NS delegation with several other domains, including videomirante.com, monclerjackets.us.org, attaqwa.co.id and two others.

These name servers are regularly seen alongside syeef.ns.cloudflare.com and sean.ns.cloudflare.com as name servers.

Hosts with 6 IP addresses each:

ada.ns.cloudflare.com maps to 108.162.192.54, 172.64.32.54, 173.245.58.54 and 3 additional IP addresses.

nico.ns.cloudflare.com maps to 108.162.195.147, 162.159.44.147, 172.64.35.147 and 3 additional IP addresses.

Mail Servers

gerluf.dk uses two mail servers, mail.protonmail.ch and mailsec.protonmail.ch.

The mail server setup of gerluf.dk matches that of other domains such as buildingabettergeek.com, makboul.com, colden.org and two others.

At least some of the mail servers used by gerluf.dk are shared with other domains: mystray.net, johnmoussan.com, transcribeeasy.com and two others among them.

mail.protonmail.ch has three IP addresses (176.119.200.128, 185.70.42.128 and 185.205.70.128) and mailsec.protonmail.ch has three IP addresses (176.119.200.129, 185.70.42.129 and 185.205.70.129).