jacobdev.dk - dns.ninja

`jacobdev.dk`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3030::ac43:8af0^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:46c8^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.70.200^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.138.240^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bjorn.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c62^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bjorn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c362^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bjorn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2362^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bjorn.ns.cloudflare.com`
		A	108.162.195.98^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bjorn.ns.cloudflare.com`
		A	162.159.44.98^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bjorn.ns.cloudflare.com`
		A	172.64.35.98^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bjorn.ns.cloudflare.com`
NS	`brynne.ns.cloudflare.com`
		A	2606:4700:50::a29f:2641^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brynne.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c241^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brynne.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2241^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brynne.ns.cloudflare.com`
		A	108.162.194.65^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brynne.ns.cloudflare.com`
		A	162.159.38.65^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brynne.ns.cloudflare.com`
		A	172.64.34.65^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brynne.ns.cloudflare.com`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
TXT	`apple-domain=rkS0PZ8fgxh0E6tB`
TXT	`google-site-verification=9FhsAGN9dl3Ran(0x785858)jgMrW8C9BdbJORrkqqYkBwxM1k`
TXT	`v=spf1 include:icloud.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.70.200, 172.67.138.240
		IPv6 hints	2606:4700:3030::ac43:8af0, 2606:4700:3031::6815:46c8
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=48, name=cloudflare-ech.com
SOA	`bjorn.ns.cloudflare.com`dns@cloudflare.com serial=2410344873

`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 1786318020localtime Mon Aug 10 01:27:00 2026gmtime Sun Au...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1786318020

Subdomains

www.jacobdev.dk

Same first word

jacobdev.dk

jacobdev.com

Similar names

jacobedv.de

DNS History

17 records (8 active, 9 former)

●NSbjorn.ns.cloudflare.com2026-02-21 → 2026-08-09 · 2 obs

● 2026-02-21 18:49:42
● 2026-08-09 23:29:14

●NSbrynne.ns.cloudflare.com2026-02-21 → 2026-08-09 · 2 obs

● 2026-02-21 18:49:42
● 2026-08-09 23:29:14

●MXmx01.mail.icloud.com2026-02-21 → 2026-08-09 · 2 obs

● 2026-02-21 18:49:42
● 2026-08-09 23:29:14

●MXmx02.mail.icloud.com2026-02-21 → 2026-08-09 · 2 obs

● 2026-02-21 18:49:42
● 2026-08-09 23:29:14

●A104.21.70.2002026-02-21 → 2026-08-09 · 12 obs

● 2026-02-21 18:49:42
● 2026-02-22 00:17:46
○ 2026-02-23 17:53:58
○ 2026-02-24 08:03:16
● 2026-03-06 14:26:58
● 2026-03-11 09:18:02
○ 2026-03-20 12:10:14
● 2026-03-21 02:03:46
● 2026-06-04 13:42:30
○ 2026-06-20 12:32:54
● 2026-07-14 02:51:42
● 2026-08-09 23:29:14

○A172.64.80.12026-03-20 → 2026-03-20 · 4 obs

○ 2026-03-11 09:18:02
● 2026-03-20 12:10:14
○ 2026-03-21 02:03:46
○ 2026-08-09 23:29:14

●A172.67.138.2402026-02-21 → 2026-08-09 · 12 obs

○A188.114.96.02026-02-24 → 2026-06-20 · 7 obs

○ 2026-02-23 17:53:58
● 2026-02-24 08:03:16
○ 2026-03-06 14:26:58
○ 2026-06-04 13:42:30
● 2026-06-20 12:32:54
○ 2026-07-14 02:51:42
○ 2026-08-09 23:29:14

○A188.114.96.42026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-22 00:17:46
● 2026-02-23 17:53:58
○ 2026-02-24 08:03:16
○ 2026-08-09 23:29:14

○A188.114.97.02026-02-24 → 2026-06-20 · 7 obs

○ 2026-02-23 17:53:58
● 2026-02-24 08:03:16
○ 2026-03-06 14:26:58
○ 2026-06-04 13:42:30
● 2026-06-20 12:32:54
○ 2026-07-14 02:51:42
○ 2026-08-09 23:29:14

○A188.114.97.42026-02-23 → 2026-02-23 · 4 obs

○ 2026-02-22 00:17:46
● 2026-02-23 17:53:58
○ 2026-02-24 08:03:16
○ 2026-08-09 23:29:14

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-20 → 2026-03-20 · 4 obs

○ 2026-03-11 09:18:02
● 2026-03-20 12:10:14
○ 2026-03-21 02:03:46
○ 2026-08-09 23:29:14

●A2606:4700:3030::ac43:8af02026-07-14 → 2026-08-09 · 3 obs

○ 2026-06-20 12:32:54
● 2026-07-14 02:51:42
● 2026-08-09 23:29:14

●A2606:4700:3031::6815:46c82026-02-21 → 2026-08-09 · 12 obs

○A2606:4700:3033::ac43:8af02026-02-21 → 2026-06-04 · 11 obs

○A2a06:98c1:3120::2026-02-23 → 2026-06-20 · 8 obs

○ 2026-02-22 00:17:46
● 2026-02-23 17:53:58
● 2026-02-24 08:03:16
○ 2026-03-06 14:26:58
○ 2026-06-04 13:42:30
● 2026-06-20 12:32:54
○ 2026-07-14 02:51:42
○ 2026-08-09 23:29:14

○A2a06:98c1:3121::2026-02-23 → 2026-06-20 · 8 obs

○ 2026-02-22 00:17:46
● 2026-02-23 17:53:58
● 2026-02-24 08:03:16
○ 2026-03-06 14:26:58
○ 2026-06-04 13:42:30
● 2026-06-20 12:32:54
○ 2026-07-14 02:51:42
○ 2026-08-09 23:29:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
jacobdev.dk	bjorn.ns.cloudflare.com, brynne.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.65

NS records: bjorn.ns.cloudflare.com, brynne.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 825ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.138.240, 104.21.70.200`
AAAA	2	`2606:4700:3030::ac43:8af0, 2606:4700:3031::6815:46c8`
NS	2	`bjorn.ns.cloudflare.com, brynne.ns.cloudflare.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	3	`apple-domain=rkS0PZ8fgxh0E6tB, google-site-verification=9FhsAGN9dl3Ranx...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bjorn.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

www.jacobdev.dk is a subdomain of jacobdev.dk.

IP Addresses

jacobdev.dk points to the four IP addresses 104.21.70.200, 172.67.138.240, 2606:4700:3030::ac43:8af0 and 2606:4700:3031::6815:46c8.

haymate.net, pro-store-apple.ru, cybernextteam.sbs and two other host names share IP numbers with jacobdev.dk.

Name Servers

The NS records for jacobdev.dk delegate to bjorn.ns.cloudflare.com and brynne.ns.cloudflare.com.

jacobdev.dk uses the same name servers as several other domains — among them praktijkjansen.nl, tidalmarine.com, scissoract.nl and two more.

The name servers of jacobdev.dk overlap at least partially with those of other domains — among them sbt-market.ru, guatos.com.mx, whatsapqaz.com and two more.

These name servers commonly appear alongside the name servers dane.ns.cloudflare.com and carl.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

bjorn.ns.cloudflare.com maps to 108.162.195.98, 162.159.44.98, 172.64.35.98 and 3 additional IP addresses.

brynne.ns.cloudflare.com maps to 108.162.194.65, 162.159.38.65, 172.64.34.65 and 3 additional IP addresses.

Mail Servers

Mail for jacobdev.dk is handled by two mail servers — mx01.mail.icloud.com and mx02.mail.icloud.com.

jacobdev.dk uses an identical mail server configuration to several other domains — among them sridhars.net, edgett.net, alecmosher.com and two more.

jacobdev.dk has at least partial mail server overlap with other domains such as exnyc.com, vasdaris.com, muttal.com and two more.

Hostnames that resolve to 6 IP addresses:

mx01.mail.icloud.com maps to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 additional IP addresses.

mx02.mail.icloud.com maps to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 additional IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.42.251.62 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.56.9.31 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.57.152.5 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.57.154.33 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.57.155.25 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com each have 17.57.156.30 IP addresses.