`penn.se`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:8333^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:3d2^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.3.210^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.131.51^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ali.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ali.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ali.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ali.ns.cloudflare.com`
		A	108.162.192.59^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ali.ns.cloudflare.com`
		A	172.64.32.59^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ali.ns.cloudflare.com`
		A	173.245.58.59^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ali.ns.cloudflare.com`
NS	`frank.ns.cloudflare.com`
		A	2606:4700:58::adf5:3ba6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`frank.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`frank.ns.cloudflare.com`
		A	108.162.193.166^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	172.64.33.166^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	173.245.59.166^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
MX	`penn-se.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tydpr03cu00105.inbound.protection.outlook.com`
		A	52.101.137.0^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	52.101.157.80^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os8pr02cu00100.inbound.protection.outlook.com`
TXT	`ca3-4ba9731c3c2a4ef38084c305a92cecb3`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.3.210, 172.67.131.51
		IPv6	2606:4700:3030::ac43:8333, 2606:4700:3037::6815:3d2
SOA	`ali.ns.cloudflare.com`dns@cloudflare.com serial=2400019934

`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	`id:8d4d96be-aaa9-4681-892b-9430fd4b67d0`
	TXT	`SE zone update: 2026-03-30 20:06:30 +0000 (EPOCH 1774901190) (auto)`
	SOA	`catcher-in-the-rye.nic.se`registry-default@nic.se serial=1774901841

Same first word

penn.su

penn.se

penn.me

penn.co.uk

penn.fr

penn.mobi

penn.ca

penn.nyc

penn.be

penn.hu

penn.co

penn.net

penn.museum

penn.cn

penn.bio

penn.properties

penn.run

penn.systems

penn.at

penn.in

penn.eu

penn.vi

penn.de

penn.doctor

penn.tc

penn.cl

penn.biz

penn.engineering

penn.ru

penn.soccer

penn.care

penn.sk

penn.edu

penn.cz

penn.xyz

penn.rentals

penn.digital

penn.com

Similar names

epnn.cn

nnep.net

nepn.com

nnep.com

ennp.net

nnep.org

nnep.se

ennp.com

nenp.nl

nepn.cn

enpn.eu

ennp.cn

nnpe.co.uk

enpn.com

nnpe.com

epnn.uk

npen.ru

nenp.net

epnn.com

nepn.org

nenp.com

enpn.net

epnn.ru

npen.dk

nenp.ir

pnne.org

DNS History

12 records (7 active, 5 former)

●NSali.ns.cloudflare.com2026-03-26 → 2026-03-30 · 3 obs

○ 2017-01-08 09:01:00
● 2026-03-26 08:02:04
● 2026-03-30 21:39:30

○NSdns10.telia.com2015-07-05 → 2017-01-08 · 4 obs

● 2015-07-05 20:59:38
● 2017-01-08 09:01:00
○ 2026-03-26 08:02:04
○ 2026-03-30 21:39:30

○NSdns11.se.telia.net2015-07-05 → 2017-01-08 · 4 obs

● 2015-07-05 20:59:38
● 2017-01-08 09:01:00
○ 2026-03-26 08:02:04
○ 2026-03-30 21:39:30

○NSdns12.se.telia.net2015-07-05 → 2017-01-08 · 4 obs

● 2015-07-05 20:59:38
● 2017-01-08 09:01:00
○ 2026-03-26 08:02:04
○ 2026-03-30 21:39:30

○NSdns9.telia.com2015-07-05 → 2017-01-08 · 4 obs

● 2015-07-05 20:59:38
● 2017-01-08 09:01:00
○ 2026-03-26 08:02:04
○ 2026-03-30 21:39:30

●NSfrank.ns.cloudflare.com2026-03-26 → 2026-03-30 · 3 obs

○ 2017-01-08 09:01:00
● 2026-03-26 08:02:04
● 2026-03-30 21:39:30

○MXmail.telia.com2015-07-05 → 2017-01-08 · 5 obs

● 2015-07-05 20:59:38
○ 2015-10-19 01:11:12
● 2017-01-08 09:01:00
○ 2026-03-26 08:02:04
○ 2026-03-30 21:39:30

●MXpenn-se.mail.protection.outlook.com2015-10-19 → 2026-03-30 · 3 obs

○ 2015-07-05 20:59:38
● 2015-10-19 01:11:12
● 2026-03-30 21:39:30

●A104.21.3.2102026-03-26 → 2026-03-30 · 2 obs

● 2026-03-26 08:02:04
● 2026-03-30 21:39:30

●A172.67.131.512026-03-26 → 2026-03-30 · 2 obs

● 2026-03-26 08:02:04
● 2026-03-30 21:39:30

●A2606:4700:3030::ac43:83332026-03-26 → 2026-03-30 · 2 obs

● 2026-03-26 08:02:04
● 2026-03-30 21:39:30

●A2606:4700:3037::6815:3d22026-03-26 → 2026-03-30 · 2 obs

● 2026-03-26 08:02:04
● 2026-03-30 21:39:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
se	a.ns.se, b.ns.se, c.ns.se, f.ns.se...	-
penn.se	frank.ns.cloudflare.com, ali.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.166

NS records: frank.ns.cloudflare.com, ali.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for penn.se (unsigned zone)

⏱️ Timing

Total: 624ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.131.51, 104.21.3.210`
AAAA	2	`2606:4700:3030::ac43:8333, 2606:4700:3037::6815:3d2`
NS	2	`ali.ns.cloudflare.com, frank.ns.cloudflare.com`
MX	1	`penn-se.mail.protection.outlook.com (pri`
TXT	2	`ca3-4ba9731c3c2a4ef38084c305a92cecb3, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ali.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

penn.se resolves to four IP numbers: 2606:4700:3030::ac43:8333, 2606:4700:3037::6815:3d2, 104.21.3.210 and 172.67.131.51.

other host names for instance www.onelastforum.com, northsidehearingcenter.com, 5ymr.com, argentowine.com and cartechexperts.com share IP numbers with penn.se.

Name Servers

penn.se is delegated to two name servers: ali.ns.cloudflare.com and frank.ns.cloudflare.com.

penn.se shares the same name server setup as other domains, for example mahanakornpartners.com, magebay.com, pool9.net, stephens.lol and norway-connect.com.

penn.se at least partially shares name servers with other domains, for instance pitangaweb.com, sofiasoares.com, complaintbusinesscommunity.com, qatarisbooming.com and bsmcpss.com.

These name servers are often used with earl.ns.cloudflare.com and woz.ns.cloudflare.com.

Host names with six IP numbers:

ali.ns.cloudflare.com points to: 2606:4700:50::adf5:3a3b, 2803:f800:50::6ca2:c03b, 2a06:98c1:50::ac40:203b, 108.162.192.59, 172.64.32.59 and 173.245.58.59; frank.ns.cloudflare.com points to: 2606:4700:58::adf5:3ba6, 2803:f800:50::6ca2:c1a6, 2a06:98c1:50::ac40:21a6, 108.162.193.166, 172.64.33.166 and 173.245.59.166.

Mail Servers

penn.se is handled by a single mail server, penn-se.mail.protection.outlook.com.

Host penn-se.mail.protection.outlook.com points to six IPs: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.

penn.se - robtex.com

penn.se

se

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`penn.se`

`se`