WWW.RTSAK.COM - irf.se
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irf.se checked at 2025-10-18T10:56:18.431Z 3296ms 121/121/121 100% R:24irf.se
| NS | dns.irf.se | ||||||
| A | 2001:6b0:27:ff::7 🇸🇪 SUNET | ||||||
| PTR | dns.irf.se | ||||||
| A | 192.71.13.66🇸🇪 IRF-AS | ||||||
| PTR | dns.irf.se | ||||||
| NS | skoll.irf.se | ||||||
| A | 2001:6b0:27:ff::e 🇸🇪 SUNET | ||||||
| PTR | skoll.irf.se | ||||||
| A | 192.71.13.5🇸🇪 IRF-AS | ||||||
| PTR | skoll.irf.se | ||||||
| NS | mail.irfu.se | ||||||
| A | 130.238.30.6🇸🇪 UUNet | ||||||
| PTR | mail.irfu.se | ||||||
| MX | mailfilter-ng-1.sunet.se | ||||||
| A | 2001:6b0:8:2::207 🇸🇪 SUNET | ||||||
| PTR | mailfilter-ng-1.sunet.se | ||||||
| A | 192.36.171.207🇸🇪 NORDUnet | ||||||
| PTR | mailfilter-ng-1.sunet.se | ||||||
| MX | mailfilter-ng-2.sunet.se | ||||||
| A | 89.45.235.13🇸🇪 SUNET | ||||||
| PTR | mailfilter-89-45-235-13.instance.cloud.sunet.se | ||||||
| MX | mailfilter-ng-3.sunet.se | ||||||
| A | 2001:6b0:8:2::200 🇸🇪 SUNET | ||||||
| PTR | mailfilter-ng-3.sunet.se | ||||||
| A | 192.36.171.200🇸🇪 NORDUnet | ||||||
| PTR | mailfilter-ng-3.sunet.se | ||||||
| MX | mailfilter-ng-4.sunet.se | ||||||
| A | 89.45.235.5🇸🇪 SUNET | ||||||
| PTR | mailfilter-89-45-235-5.instance.cloud.sunet.se | ||||||
| NS | sunic.sunet.se | ||||||
| A | 2001:6b0:7::2 🇸🇪 SUNET | ||||||
| PTR | sunic.sunet.se | ||||||
| A | 192.36.125.2🇸🇪 SUNET | ||||||
| PTR | sunic.sunet.se | ||||||
| A | 2001:6b0:27:ff::cc:c 🇸🇪 SUNET | ||||||
| PTR | start.irf.se | ||||||
| A | 193.10.33.87🇸🇪 SUNET | ||||||
| PTR | start.irf.se | ||||||
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 | ||||||
rank #400 in the tld
PTR for
Up
Starts with same word
Starts similarily
AI analysis
irf.se is a parent of ftirstrom.irf.se, hyperion.irf.se, ftirpc1.irf.se, printerplan3.irf.se, datapc.irf.se and hundreds of other host names.
irf.se points to two IP numbers: 2001:6b0:27:ff::cc:c and 193.10.33.87.
Other host names such as aspera.irf.se, www.rymdcampus.se, start.irf.se, spacelab.irf.se and www.irf.se share IPs with irf.se.
irf.se is delegated to four name servers: dns.irf.se, skoll.irf.se, mail.irfu.se and sunic.sunet.se.
irf.se at least partially shares name servers with other domains, for instance 254.236.130.in-addr.arpa, 102.237.130.in-addr.arpa, 127.105.109.in-addr.arpa, 36.229.130.in-addr.arpa and 114.237.130.in-addr.arpa.
These name servers are commonly used alongside nsa.lu.se, nsc.lu.se, extdns.ki.se, nx1.ri.se, nx2.ri.se, nx3.ri.se, nx4.ri.se, server.nordu.net, ns1.sunet.se and hq.irfu.se.
Two IPs per host:
dns.irf.se points to 2001:6b0:27:ff::7 and 192.71.13.66
skoll.irf.se points to 2001:6b0:27:ff::e and 192.71.13.5
sunic.sunet.se points to 2001:6b0:7::2 and 192.36.125.2
One IP per host:
mail.irfu.se points to 130.238.30.6
Four mail servers handle irf.se: mailfilter-ng-1.sunet.se, mailfilter-ng-2.sunet.se, mailfilter-ng-3.sunet.se and mailfilter-ng-4.sunet.se.
irf.se shares at least partially some mail servers with other domains, including vetimm.uu.se, kthinnovationreadinesslevel.com, karspexet.se, nuclear.kth.se and pubcare.uu.se.
Host names with two IP numbers:
mailfilter-ng-1.sunet.se points to: 2001:6b0:8:2::207 and 192.36.171.207.
mailfilter-ng-3.sunet.se points to: 2001:6b0:8:2::200 and 192.36.171.200.
Host names with one IP number:
mailfilter-ng-2.sunet.se points to: 89.45.235.13.
mailfilter-ng-4.sunet.se points to: 89.45.235.5.