`programcentrum.se`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:cc20^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:2cdc^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.44.220^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.204.32^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`keaton.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cb5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keaton.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3b5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`keaton.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23b5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`keaton.ns.cloudflare.com`
		A	108.162.195.181^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keaton.ns.cloudflare.com`
		A	162.159.44.181^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keaton.ns.cloudflare.com`
		A	172.64.35.181^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keaton.ns.cloudflare.com`
NS	`meiling.ns.cloudflare.com`
		A	2606:4700:50::a29f:26fe^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meiling.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2fe^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`meiling.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22fe^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`meiling.ns.cloudflare.com`
		A	108.162.194.254^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meiling.ns.cloudflare.com`
		A	162.159.38.254^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meiling.ns.cloudflare.com`
		A	172.64.34.254^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meiling.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽²²⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁴⁰⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`google-site-verification=4K9uqSirYdH-0mWfUupefPXc9Rr3rhiMgRp32WFN7oE`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.44.220, 172.67.204.32
		IPv6 hints	2606:4700:3031::ac43:cc20, 2606:4700:3034::6815:2cdc
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=205, name=cloudflare-ech.com
SOA	`keaton.ns.cloudflare.com`dns@cloudflare.com serial=2402420964

`se`

	DNSSEC	🔒 Signed (DS record present)
	NS	`catcher-in-the-rye.nic.se` ⭐
	NS	`a.ns.se`
	NS	`b.ns.se`
	NS	`c.ns.se`
	NS	`f.ns.se`
	NS	`g.ns.se`
	NS	`i.ns.se`
	NS	`m.ns.se`
	NS	`x.ns.se`
	NS	`y.ns.se`
	NS	`z.ns.se`
	TXT	`SE zone update: 2026-05-09 10:43:59 +0000 (EPOCH 1778323439) (auto)`
	TXT	`id:6fed2fa6-9ea8-4cfb-9967-e2fbb2620b74`
	SOA	`catcher-in-the-rye.nic.se`registry-default@nic.se serial=1778323821

Same first word

programcentrum.se

programcentrum.com

programcentrum.hu

DNS History

25 records (9 active, 16 former)

○NSatdns01.citynetwork.se2015-08-20 → 2015-12-12 · 4 obs

● 2015-08-20 05:36:14
● 2015-12-12 16:15:08
○ 2016-03-11 09:24:58
○ 2026-05-09 11:15:26

○NSatdns02.citynetwork.se2015-08-20 → 2015-12-12 · 4 obs

● 2015-08-20 05:36:14
● 2015-12-12 16:15:08
○ 2016-03-11 09:24:58
○ 2026-05-09 11:15:26

○NSatdns03.citynetwork.se2015-08-20 → 2015-12-12 · 4 obs

● 2015-08-20 05:36:14
● 2015-12-12 16:15:08
○ 2016-03-11 09:24:58
○ 2026-05-09 11:15:26

●NSkeaton.ns.cloudflare.com2026-05-09 → 2026-05-09 · 2 obs

○ 2016-12-05 22:32:48
● 2026-05-09 11:15:26

●NSmeiling.ns.cloudflare.com2026-05-09 → 2026-05-09 · 2 obs

○ 2016-12-05 22:32:48
● 2026-05-09 11:15:26

○NSns3.binero.se2016-03-11 → 2016-12-05 · 4 obs

○ 2015-12-12 16:15:08
● 2016-03-11 09:24:58
● 2016-12-05 22:32:48
○ 2026-05-09 11:15:26

○NSns4.binero.se2016-03-11 → 2016-12-05 · 4 obs

○ 2015-12-12 16:15:08
● 2016-03-11 09:24:58
● 2016-12-05 22:32:48
○ 2026-05-09 11:15:26

○NSns5.binero.se2016-03-11 → 2016-12-05 · 4 obs

○ 2015-12-12 16:15:08
● 2016-03-11 09:24:58
● 2016-12-05 22:32:48
○ 2026-05-09 11:15:26

○NSns6.binero.se2016-03-11 → 2016-12-05 · 4 obs

○ 2015-12-12 16:15:08
● 2016-03-11 09:24:58
● 2016-12-05 22:32:48
○ 2026-05-09 11:15:26

○NSns7.binero.se2016-03-11 → 2016-12-05 · 4 obs

○ 2015-12-12 16:15:08
● 2016-03-11 09:24:58
● 2016-12-05 22:32:48
○ 2026-05-09 11:15:26

○MXmail.programcentrum.se2015-08-20 → 2015-12-12 · 4 obs

● 2015-08-20 05:36:14
● 2015-12-12 16:15:08
○ 2016-03-11 09:24:58
○ 2026-05-09 11:15:26

●MXroute1.mx.cloudflare.net2026-05-09 → 2026-05-09 · 2 obs

○ 2016-03-11 09:24:58
● 2026-05-09 11:15:26

●MXroute2.mx.cloudflare.net2026-05-09 → 2026-05-09 · 2 obs

○ 2016-03-11 09:24:58
● 2026-05-09 11:15:26

●MXroute3.mx.cloudflare.net2026-05-09 → 2026-05-09 · 2 obs

○ 2016-03-11 09:24:58
● 2026-05-09 11:15:26

●A104.21.44.2202026-05-09 → 2026-05-09 · 2 obs

○ 2016-12-05 22:32:48
● 2026-05-09 11:15:26

●A172.67.204.322026-05-09 → 2026-05-09 · 2 obs

○ 2016-12-05 22:32:48
● 2026-05-09 11:15:26

○A188.114.96.02026-05-09 → 2026-05-09 · 1 obs

○ 2026-05-09 11:15:26

○A188.114.97.02026-05-09 → 2026-05-09 · 1 obs

○ 2026-05-09 11:15:26

○A188.95.227.302015-08-20 → 2015-08-20 · 3 obs

● 2015-08-20 05:36:14
○ 2015-12-12 16:15:08
○ 2026-05-09 11:15:26

○A195.74.38.1152016-03-11 → 2016-12-05 · 4 obs

○ 2015-12-12 16:15:08
● 2016-03-11 09:24:58
● 2016-12-05 22:32:48
○ 2026-05-09 11:15:26

●A2606:4700:3031::ac43:cc202026-05-09 → 2026-05-09 · 2 obs

○ 2016-12-05 22:32:48
● 2026-05-09 11:15:26

●A2606:4700:3034::6815:2cdc2026-05-09 → 2026-05-09 · 2 obs

○ 2016-12-05 22:32:48
● 2026-05-09 11:15:26

○A2a06:98c1:3120::2026-05-09 → 2026-05-09 · 1 obs

○ 2026-05-09 11:15:26

○A2a06:98c1:3121::2026-05-09 → 2026-05-09 · 1 obs

○ 2026-05-09 11:15:26

○A83.218.81.1962015-12-12 → 2015-12-12 · 4 obs

○ 2015-08-20 05:36:14
● 2015-12-12 16:15:08
○ 2016-03-11 09:24:58
○ 2026-05-09 11:15:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
se	b.ns.se, i.ns.se, z.ns.se, g.ns.se...	-
programcentrum.se	keaton.ns.cloudflare.com, meiling.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.254

NS records: keaton.ns.cloudflare.com, meiling.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for programcentrum.se (unsigned zone)

⏱️ Timing

Total: 775ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.44.220, 172.67.204.32`
AAAA	2	`2606:4700:3031::ac43:cc20, 2606:4700:3034::6815:2cdc`
NS	2	`keaton.ns.cloudflare.com, meiling.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 22), route2.mx.cloudflare.net (pri: 40)...`
TXT	2	`google-site-verification=4K9uqSirYdH-0mW, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`keaton.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

Four IP numbers are pointed to by programcentrum.se: 2606:4700:3031::ac43:cc20, 2606:4700:3034::6815:2cdc, 104.21.44.220 and 172.67.204.32.

other host names including www.creativecoding.club, orthodoc.co.il, officialmedispa.com, adeeb-shop.com and sttvid.xyz share IP numbers with programcentrum.se.

Name Servers

programcentrum.se is delegated to two name servers keaton.ns.cloudflare.com and meiling.ns.cloudflare.com.

programcentrum.se shares the same name server setup as other domains, for instance ticketmobile.no, eeesys.com, sfconst.com, singari.info and teamroberts.us.

programcentrum.se at least partially shares name servers with other domains, for instance sohi.net.au, evopumps.com, lobby138jos.net, hylarenquexo.com and ceka.com.ar.

These name servers are commonly used alongside vasilii.ns.cloudflare.com and kelly.ns.cloudflare.com.

Host names with six IP numbers:

Host name keaton.ns.cloudflare.com points to: 2606:4700:58::a29f:2cb5, 2803:f800:50::6ca2:c3b5, 2a06:98c1:50::ac40:23b5, 108.162.195.181, 162.159.44.181 and 172.64.35.181.

Host name meiling.ns.cloudflare.com points to: 2606:4700:50::a29f:26fe, 2803:f800:50::6ca2:c2fe, 2a06:98c1:50::ac40:22fe, 108.162.194.254, 162.159.38.254 and 172.64.34.254.

Mail Servers

programcentrum.se is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

programcentrum.se shares some mail servers with other domains, at least partially, for instance trjc.net, dos.lt, statusdate.co.za, eyezonyou.org and my-subs.com.

Host names with six IP numbers:

Host name route1.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

Host name route2.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

Host name route3.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

programcentrum.se - robtex.com