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conradfirst.net

DNSSEC⚠️ Not signed
NShiddensoa.uu.se ⭐
A130.238.7.206🇸🇪 UUNet130.238.0.0/18 UUNET
PTRhiddensoa.uu.se
PTRuuc-ipamxha.its.uu.se
NSdns.uu.se
A2001:6b0:b:242:130:238:7:203🇸🇪 SUNET2001:6b0::/32 The Swedish University Network
PTRuuc-ipam003.its.uu.se
A130.238.7.203🇸🇪 UUNet130.238.0.0/18 UUNET
PTRuuc-ipam003.its.uu.se
NSdns1.uu.se ⚠️ Not in zone NS records
A2001:6b0:b:242:130:238:7:203🇸🇪 SUNET2001:6b0::/32 The Swedish University Network
PTRuuc-ipam003.its.uu.se
A130.238.7.203🇸🇪 UUNet130.238.0.0/18 UUNET
PTRuuc-ipam003.its.uu.se
NSdns2.uu.se ⚠️ Not in parent delegation
A2001:6b0:b:732:130:238:164:25🇸🇪 SUNET2001:6b0::/32 The Swedish University Network
PTRuuc-ipam014.its.uu.se
A130.238.164.25🇸🇪 UUNet130.238.128.0/17 UUNET
PTRuuc-ipam014.its.uu.se
NSdns3.uu.se
A193.11.12.164🇸🇪 SUNET193.11.0.0/16 C Aggregate (PA)
PTRdns3.uu.se
PTRuuc-ipam017.its.uu.se
MXmailfilter-ng-1.sunet.se ⭐
A2001:6b0:8:2::207🇸🇪 SUNET2001:6b0::/32 The Swedish University Network
PTRmailfilter-ng-1.sunet.se
A192.36.171.207🇸🇪 NORDUNET192.36.171.0/24 -SERVICES
MXmailfilter-ng-3.sunet.se ⭐
A2001:6b0:8:2::200🇸🇪 SUNET2001:6b0::/32 The Swedish University Network
PTRmailfilter-ng-3.sunet.se
A192.36.171.200🇸🇪 NORDUNET192.36.171.0/24 -SERVICES
MXmailfilter-ng-4.sunet.se ⭐
A89.45.235.5🇸🇪 SUNET89.45.232.0/21 -AGGREGATE
PTRmailfilter-89-45-235-5.instance.cloud.sunet.se
MXmailfilter-ng-2.sunet.se(20)
A89.45.235.13🇸🇪 SUNET89.45.232.0/21 -AGGREGATE
PTRmailfilter-89-45-235-13.instance.cloud.sunet.se
TXTv=spf1 include:_spf.uu.se ~all
SOAhiddensoa.uu.sedomainmaster@uu.se serial=521819897

net

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1786770909
WOT: SAFE (60/100)

Same first word

conradfirst.net

DNS History

14 records (9 active, 5 former)

20162017201820192020202120222023202420252026NSdns.uu.sedns1.uu.sedns2.uu.sedns3.uu.sehiddensoa.uu.seddns.uu.seMXmailfilter-ng-1.sunet.semailfilter-ng-2.sunet.semailfilter-ng-3.sunet.semailfilter-ng-4.sunet.see-mailfilter03.sunet.see-mailfilter04.sunet.sev-mailfilter03.sunet.seA130.238.7.47
○NSddns.uu.se2015-07-09 → 2015-07-09 · 3 obs
● 2015-07-09 04:09:40
○ 2015-11-06 10:40:14
○ 2026-08-15 05:45:32
●NSdns.uu.se2015-07-09 → 2026-08-15 · 5 obs
● 2015-07-09 04:09:40
○ 2015-11-06 10:40:14
○ 2018-06-12 12:51:14
● 2026-03-30 11:23:10
● 2026-08-15 05:45:32
●NSdns1.uu.se2015-07-09 → 2026-08-15 · 2 obs
● 2015-07-09 04:09:40
● 2026-08-15 05:45:32
●NSdns2.uu.se2015-07-09 → 2026-08-15 · 2 obs
● 2015-07-09 04:09:40
● 2026-08-15 05:45:32
●NSdns3.uu.se2015-07-09 → 2026-08-15 · 2 obs
● 2015-07-09 04:09:40
● 2026-08-15 05:45:32
●NShiddensoa.uu.se2015-11-06 → 2026-08-15 · 3 obs
○ 2015-07-09 04:09:40
● 2015-11-06 10:40:14
● 2026-08-15 05:45:32
○MXe-mailfilter03.sunet.se2015-07-09 → 2018-06-12 · 4 obs
● 2015-07-09 04:09:40
● 2018-06-12 12:51:14
○ 2026-03-30 11:23:10
○ 2026-08-15 05:45:32
○MXe-mailfilter04.sunet.se2015-07-09 → 2018-06-12 · 4 obs
● 2015-07-09 04:09:40
● 2018-06-12 12:51:14
○ 2026-03-30 11:23:10
○ 2026-08-15 05:45:32
●MXmailfilter-ng-1.sunet.se2026-03-30 → 2026-08-15 · 3 obs
○ 2018-06-12 12:51:14
● 2026-03-30 11:23:10
● 2026-08-15 05:45:32
●MXmailfilter-ng-2.sunet.se2026-03-30 → 2026-08-15 · 3 obs
○ 2018-06-12 12:51:14
● 2026-03-30 11:23:10
● 2026-08-15 05:45:32
●MXmailfilter-ng-3.sunet.se2026-03-30 → 2026-08-15 · 3 obs
○ 2018-06-12 12:51:14
● 2026-03-30 11:23:10
● 2026-08-15 05:45:32
●MXmailfilter-ng-4.sunet.se2026-03-30 → 2026-08-15 · 3 obs
○ 2018-06-12 12:51:14
● 2026-03-30 11:23:10
● 2026-08-15 05:45:32
○MXv-mailfilter03.sunet.se2018-06-12 → 2018-06-12 · 4 obs
○ 2015-07-09 04:09:40
● 2018-06-12 12:51:14
○ 2026-03-30 11:23:10
○ 2026-08-15 05:45:32
○A130.238.7.472015-07-09 → 2018-06-12 · 4 obs
● 2015-07-09 04:09:40
● 2018-06-12 12:51:14
○ 2026-03-30 11:23:10
○ 2026-08-15 05:45:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netg.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net...-
conradfirst.netdns.uu.se, dns2.uu.se, dns3.uu.se-

✅ Authoritative Response

Server:193.11.12.164

NS records: dns.uu.se, dns2.uu.se, dns3.uu.se

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for conradfirst.net (unsigned zone)

⏱️ Timing

Total: 907ms | Queries: -

📄 Records

TypeCountSample Data
NS3dns2.uu.se, dns3.uu.se...
MX4mailfilter-ng-3.sunet.se (pri: 10), mailfilter-ng-4.sunet.se (pri: 10)...
TXT1v=spf1 include:_spf.uu.se ~all
SOA1hiddensoa.uu.se domainmaster.uu.se

Analysis

Name Servers

conradfirst.net delegates to five name servers: dns1.uu.se, dns2.uu.se, dns3.uu.se and two others.

conradfirst.net shares at least some of its name servers with other domains, including 248.243.130.in-addr.arpa, 37.238.130.in-addr.arpa, ekoforsk.uu.se and two others.

These name servers are frequently seen alongside hiddensoa.uu.se, dns.uu.se, dns1.it.uu.se and 3 other name servers.

Host names that have two IP addresses:

dns1.uu.se resolves to 130.238.7.203 and 2001:6b0:b:242:130:238:7:203.

dns2.uu.se resolves to 130.238.164.25 and 2001:6b0:b:732:130:238:164:25.

dns.uu.se resolves to 130.238.7.203 and 2001:6b0:b:242:130:238:7:203.

Host names that point to one IP address:

dns3.uu.se resolves to 193.11.12.164.

hiddensoa.uu.se resolves to 130.238.7.206.

The host names dns1.uu.se and dns.uu.se both resolve to 2001:6b0:b:242:130:238:7:203 IP addresses.

The host names dns1.uu.se and dns.uu.se both resolve to 130.238.7.203 IP addresses.

Mail Servers

conradfirst.net has four mail servers: mailfilter-ng-1.sunet.se, mailfilter-ng-2.sunet.se, mailfilter-ng-3.sunet.se and mailfilter-ng-4.sunet.se.

There is at least a partial MX overlap between conradfirst.net and other domains, including plasmon.irfu.se, ikv.uu.se, listserv.uu.se and two others.

These mail servers often co-occur with the mail servers mail.irfu.se.

Host names that have two IP addresses:

mailfilter-ng-1.sunet.se resolves to 192.36.171.207 and 2001:6b0:8:2::207.

mailfilter-ng-3.sunet.se resolves to 192.36.171.200 and 2001:6b0:8:2::200.

Host names that point to one IP address:

mailfilter-ng-2.sunet.se resolves to 89.45.235.13.

mailfilter-ng-4.sunet.se resolves to 89.45.235.5.