firstclass.se - dns.ninja

`firstclass.se`

DNSSEC	⚠️ Not signed
A	159.253.30.118^{🇸🇪 GLESYS159.253.24.0/21}
		PTR	`agora.se`
NS	`dns1.safenames.com` ⭐
		A	2400:cb00:2049:1::a29f:3084^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.48.132^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dns1.safenames.com`
NS	`dns2.safenames.net`
		A	2400:cb00:2049:1::a29f:31aa^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.49.170^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dns2.safenames.net`
NS	`dns3.safenames.org`
		A	2400:cb00:2049:1::ac40:3017^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	172.64.48.23^{🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dns3.safenames.org`
MX	`firstclass-se.mx1.staysecuregroup.com` ⭐
		A	2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd^{🇩🇰 Amazon2a01:77c0:1619::/48 EC2 Prefix}
			PTR	`mx11.electric.net`
		A	192.162.219.155^{🇮🇪 Amazon192.162.219.0/24 EC2 Prefix}
			PTR	`mx41.electric.net`
MX	`firstclass-se.mx2.staysecuregroup.net`⁽²⁰⁾
		A	2a01:77c0:1619:4101:d99:c22:fb4d:290e^{🇩🇰 Amazon2a01:77c0:1619::/48 EC2 Prefix}
			PTR	`mx10.electric.net`
		A	192.162.219.49^{🇮🇪 Amazon192.162.219.0/24 EC2 Prefix}
			PTR	`mx41.electric.net`
SOA	`dns1.safenames.com`hostmaster@safenames.net 2020-04-02 #1

`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:9fe38c93-7c39-4737-ab14-1e10b8e5c9ee`
	TXT	`SE zone update: 2026-07-23 21:16:36 +0000 (EPOCH 1784841396) (auto)`
	SOA	`catcher-in-the-rye.nic.se`registry-default@nic.se serial=1784841790

Subdomains

www.firstclass.se

Same first word

firstclass.at

firstclass.com.tr

firstclass.fo

firstclass.info

firstclass.it

firstclass.flights

firstclass.ws

firstclass.eu

firstclass.limo

firstclass.nl

firstclass.domains

firstclass.com.au

firstclass.mx

firstclass.sc

firstclass.no

firstclass.com

firstclass.com.cn

firstclass.as

firstclass.estate

firstclass.de

firstclass.agency

firstclass.net

firstclass.cz

firstclass.sk

firstclass.marketing

firstclass.international

firstclass.sh.cn

firstclass.com.hk

firstclass.cl

firstclass.ch

firstclass.hu

firstclass.cn

firstclass.fitness

firstclass.co.th

firstclass.fi

firstclass.com.sa

firstclass.solutions

firstclass.sa

firstclass.ru

firstclass.com.br

firstclass.taxi

firstclass.me

firstclass.cc

firstclass.edu.hk

firstclass.fr

firstclass.sg

firstclass.ne.jp

firstclass.capital

firstclass.com.mx

firstclass.se

firstclass.rentals

firstclass.com.pl

firstclass.tel

firstclass.lt

firstclass.dk

firstclass.is

firstclass.in.th

firstclass.co.kr

firstclass.expert

firstclass.org

Similar names

classfirst.com

fristclass.com

firtsclass.com

classfirst.in

classfirst.net

calstrsifs.com

DNS History

12 records (6 active, 6 former)

●NSdns1.safenames.com2026-02-21 → 2026-07-23 · 3 obs

○ 2017-08-08 21:24:36
● 2026-02-21 13:07:38
● 2026-07-23 22:33:40

●NSdns2.safenames.net2026-02-21 → 2026-07-23 · 3 obs

○ 2017-08-08 21:24:36
● 2026-02-21 13:07:38
● 2026-07-23 22:33:40

●NSdns3.safenames.org2026-02-21 → 2026-07-23 · 3 obs

○ 2017-08-08 21:24:36
● 2026-02-21 13:07:38
● 2026-07-23 22:33:40

○NSns.bahnhof.se2015-08-13 → 2017-08-08 · 4 obs

● 2015-08-13 01:32:22
● 2017-08-08 21:24:36
○ 2026-02-21 13:07:38
○ 2026-07-23 22:33:40

○NSns2.ett.se2015-08-13 → 2017-08-08 · 4 obs

● 2015-08-13 01:32:22
● 2017-08-08 21:24:36
○ 2026-02-21 13:07:38
○ 2026-07-23 22:33:40

○NSnt.ett.se2015-08-13 → 2017-08-08 · 4 obs

● 2015-08-13 01:32:22
● 2017-08-08 21:24:36
○ 2026-02-21 13:07:38
○ 2026-07-23 22:33:40

●MXfirstclass-se.mx1.staysecuregroup.com2016-06-26 → 2026-07-23 · 3 obs

○ 2015-12-15 07:31:38
● 2016-06-26 17:52:48
● 2026-07-23 22:33:40

●MXfirstclass-se.mx2.staysecuregroup.net2016-06-26 → 2026-07-23 · 3 obs

○ 2015-12-15 07:31:38
● 2016-06-26 17:52:48
● 2026-07-23 22:33:40

○MXsmtp-in.sto-hy.se.stejtech.net2015-08-13 → 2015-12-15 · 4 obs

● 2015-08-13 01:32:22
● 2015-12-15 07:31:38
○ 2016-06-26 17:52:48
○ 2026-07-23 22:33:40

○MXsmtp-in.sto-ste.se.stejtech.net2015-08-13 → 2015-12-15 · 4 obs

● 2015-08-13 01:32:22
● 2015-12-15 07:31:38
○ 2016-06-26 17:52:48
○ 2026-07-23 22:33:40

●A159.253.30.1182026-02-21 → 2026-07-23 · 3 obs

○ 2017-08-08 21:24:36
● 2026-02-21 13:07:38
● 2026-07-23 22:33:40

○A213.136.51.212015-08-13 → 2017-08-08 · 4 obs

● 2015-08-13 01:32:22
● 2017-08-08 21:24:36
○ 2026-02-21 13:07:38
○ 2026-07-23 22:33:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
se	z.ns.se, y.ns.se, x.ns.se, i.ns.se...	-
firstclass.se	dns1.safenames.com, dns2.safenames.net, dns3.safenames.org	-

✅ Authoritative Response

Server:172.64.48.23

NS records: dns1.safenames.com, dns2.safenames.net, dns3.safenames.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstclass.se (unsigned zone)

⏱️ Timing

Total: 693ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`159.253.30.118`
NS	3	`dns3.safenames.org, dns1.safenames.com...`
MX	2	`firstclass-se.mx2.staysecuregroup.net (p, firstclass-se.mx1.staysecuregroup.com (p`
SOA	1	`dns1.safenames.com hostmaster.safenames.`

Analysis

Hierarchy

www.firstclass.se is delegated beneath firstclass.se.

IP Addresses

firstclass.se directs to one IP number, which is 159.253.30.118.

Host names such as agora.se, www.firstclass.se and agora-internet.agora.se share their IP numbers with firstclass.se.

Name Servers

firstclass.se is served by three name servers: dns1.safenames.com, dns2.safenames.net and dns3.safenames.org.

There is at least partial name server overlap between firstclass.se and other domains — qintero.com, atomicoventures.sg, delloptiplexdesktops.com and two more among them.

The hostnames dns1.safenames.com, dns2.safenames.net and dns3.safenames.org each direct to two IP addresses — dns1.safenames.com to 162.159.48.132 and 2400:cb00:2049:1::a29f:3084, dns2.safenames.net to 162.159.49.170 and 2400:cb00:2049:1::a29f:31aa, and dns3.safenames.org to 172.64.48.23 and 2400:cb00:2049:1::ac40:3017.

Mail Servers

The MX records for firstclass.se point to two mail servers: firstclass-se.mx1.staysecuregroup.com and firstclass-se.mx2.staysecuregroup.net.

firstclass-se.mx1.staysecuregroup.com resolves to 192.162.219.155 and 2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd. Likewise, firstclass-se.mx2.staysecuregroup.net resolves to 192.162.219.49 and 2a01:77c0:1619:4101:d99:c22:fb4d:290e — two IP addresses apiece.