firstclass.se - dns.ninja

firstclass.se

DNSSEC⚠️ Not signed
A159.253.30.118🇸🇪 GLESYS159.253.24.0/21
PTRagora.se
NSdns1.safenames.com ⭐
A2400:cb00:2049:1::a29f:3084🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.48.132Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdns1.safenames.com
NSdns2.safenames.net
A2400:cb00:2049:1::a29f:31aa🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.49.170Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdns2.safenames.net
NSdns3.safenames.org
A2400:cb00:2049:1::ac40:3017🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A172.64.48.23🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdns3.safenames.org
MXfirstclass-se.mx1.staysecuregroup.com ⭐
A2a01:77c0:1619:4100:6fa6:1315:2bd2:51cd🇩🇰 Amazon2a01:77c0:1619::/48 EC2 Prefix
PTRmx11.electric.net
A192.162.219.155🇮🇪 Amazon192.162.219.0/24 EC2 Prefix
PTRmx41.electric.net
MXfirstclass-se.mx2.staysecuregroup.net(20)
A2a01:77c0:1619:4101:d99:c22:fb4d:290e🇩🇰 Amazon2a01:77c0:1619::/48 EC2 Prefix
PTRmx10.electric.net
A192.162.219.49🇮🇪 Amazon192.162.219.0/24 EC2 Prefix
PTRmx41.electric.net
SOAdns1.safenames.comhostmaster@safenames.net 2020-04-02 #1

se

DNSSEC🔒 Signed (DS record present)
NScatcher-in-the-rye.nic.se ⭐
NSa.ns.se
NSb.ns.se
NSc.ns.se
NSf.ns.se
NSg.ns.se
NSi.ns.se
NSm.ns.se
NSx.ns.se
NSy.ns.se
NSz.ns.se
TXTid:9e98ce9a-21cd-48b1-8792-032102920cfe
TXTSE zone update: 2026-06-03 23:53:35 +0000 (EPOCH 1780530815) (auto)
SOAcatcher-in-the-rye.nic.seregistry-default@nic.se serial=1780531203

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.nl
firstclass.domains
firstclass.com.au
firstclass.mx
firstclass.sc
firstclass.no
firstclass.pl
firstclass.com
firstclass.com.cn
firstclass.as
firstclass.estate
firstclass.de
firstclass.agency
firstclass.net
firstclass.cz
firstclass.sk
firstclass.international
firstclass.education
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.is
firstclass.in.th
firstclass.co.kr
firstclass.expert
firstclass.org

Similar names

classfirst.com
firtsclass.com
classfirst.in
calstrsifs.com

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSdns1.safenames.comdns2.safenames.netdns3.safenames.orgns.bahnhof.sens2.ett.sent.ett.seMXfirstclass-se.mx1.staysecuregroup.comfirstclass-se.mx2.staysecuregroup.netsmtp-in.sto-hy.se.stejtech.netsmtp-in.sto-ste.se.stejtech.netA159.253.30.118213.136.51.21
●NSdns1.safenames.com2026-02-21 → 2026-06-04 · 3 obs
○ 2017-08-08 21:24:36
● 2026-02-21 13:07:38
● 2026-06-04 01:12:20
●NSdns2.safenames.net2026-02-21 → 2026-06-04 · 3 obs
○ 2017-08-08 21:24:36
● 2026-02-21 13:07:38
● 2026-06-04 01:12:20
●NSdns3.safenames.org2026-02-21 → 2026-06-04 · 3 obs
○ 2017-08-08 21:24:36
● 2026-02-21 13:07:38
● 2026-06-04 01:12:20
○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
○ 2026-06-04 01:12:20
○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
○ 2026-06-04 01:12:20
○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
○ 2026-06-04 01:12:20
●MXfirstclass-se.mx1.staysecuregroup.com2016-06-26 → 2026-06-04 · 3 obs
○ 2015-12-15 07:31:38
● 2016-06-26 17:52:48
● 2026-06-04 01:12:20
●MXfirstclass-se.mx2.staysecuregroup.net2016-06-26 → 2026-06-04 · 3 obs
○ 2015-12-15 07:31:38
● 2016-06-26 17:52:48
● 2026-06-04 01:12:20
○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
○ 2026-06-04 01:12:20
○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
○ 2026-06-04 01:12:20
●A159.253.30.1182026-02-21 → 2026-06-04 · 3 obs
○ 2017-08-08 21:24:36
● 2026-02-21 13:07:38
● 2026-06-04 01:12:20
○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
○ 2026-06-04 01:12:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
sef.ns.se, i.ns.se, b.ns.se, z.ns.se...-
firstclass.sedns2.safenames.net, dns3.safenames.org, dns1.safenames.com-

✅ Authoritative Response

Server:162.159.48.132

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstclass.se (unsigned zone)

⏱️ Timing

Total: 824ms | Queries: -

📄 Records

TypeCountSample Data
A1159.253.30.118
NS3dns3.safenames.org, dns1.safenames.com...
MX2firstclass-se.mx2.staysecuregroup.net (p, firstclass-se.mx1.staysecuregroup.com (p
SOA1dns1.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.

Other host names, for instance agora.se, www.firstclass.se and agora-internet.agora.se share 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.