redhat.lu - robtex.com

redhat.lu

DNSSEC⚠️ Not signed
A2600:1f18:297:ba0e:7900:f622:48a8:f266🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A2600:1f18:297:ba18:6ddc:5d8f:6053:f003🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A2600:1f18:297:ba24:b508:76de:f4a:df34🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix
A54.157.108.158🇺🇸 Amazon54.156.0.0/14 EC2 IAD prefix
A98.83.184.133🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix
A100.28.104.175🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix
NSdns1.p04.nsone.net ⭐ ⚠️ Not in parent delegation
A2620:4d:4000:6259:7:4:0:1🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns1.p04.nsone.net
A198.51.44.4🇺🇸 NSONE198.51.44.0/24 198.51.44.0
PTRdns1.p04.nsone.net
NSdns1.p01.nsone.net ⚠️ Not in zone NS records
A2620:4d:4000:6259:7:1:0:1🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns1.p01.nsone.net
A198.51.44.1🇺🇸 NSONE198.51.44.0/24 198.51.44.0
PTRdns1.p01.nsone.net
NSdns2.p01.nsone.net ⚠️ Not in zone NS records
A2a00:edc0:6259:7:1::2🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns2.p01.nsone.net
A198.51.45.1🇺🇸 NSONE198.51.45.0/24 198.51.45.0
PTRdns2.p01.nsone.net
NSdns2.p04.nsone.net ⚠️ Not in parent delegation
A2a00:edc0:6259:7:4::2🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns2.p04.nsone.net
A198.51.45.4🇺🇸 NSONE198.51.45.0/24 198.51.45.0
PTRdns2.p04.nsone.net
NSdns3.p01.nsone.net ⚠️ Not in zone NS records
A2620:4d:4000:6259:7:1:0:3🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns3.p01.nsone.net
A198.51.44.65🇺🇸 NSONE198.51.44.0/24 198.51.44.0
PTRdns3.p01.nsone.net
NSdns3.p04.nsone.net ⚠️ Not in parent delegation
A2620:4d:4000:6259:7:4:0:3🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns3.p04.nsone.net
A198.51.44.68🇺🇸 NSONE198.51.44.0/24 198.51.44.0
PTRdns3.p04.nsone.net
NSdns4.p01.nsone.net ⚠️ Not in zone NS records
A2a00:edc0:6259:7:1::4🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns4.p01.nsone.net
A198.51.45.65🇺🇸 NSONE198.51.45.0/24 198.51.45.0
PTRdns4.p01.nsone.net
NSdns4.p04.nsone.net ⚠️ Not in parent delegation
A2a00:edc0:6259:7:4::4🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns4.p04.nsone.net
A198.51.45.68🇺🇸 NSONE198.51.45.0/24 198.51.45.0
PTRdns4.p04.nsone.net
MXmx1.redhat.com ⭐
A52.25.184.255🇺🇸 Amazon52.24.0.0/14 EC2 PDX prefix
PTRec2-52-25-184-255.us-west-2.compute.amazonaws.com
TXTv=spf1 -all
SOAdns1.p04.nsone.nethostmaster@nsone.net serial=1743561694

lu

DNSSEC🔒 Signed (DS record present)
NS1.ns.lu ⭐
NSg.dns.lu
NSi.dns.lu
NSj.dns.lu
NSk.dns.lu
NSp.dns.lu
NSr.ns.lu
TXTExported: 2026-07-22 05:01:01
SOA1.ns.lunoc@restena.lu serial=1784689272

Same first word

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DNS History

28 records (15 active, 13 former)

20162017201820192020202120222023202420252026NSdns1.p01.nsone.netdns1.p04.nsone.netdns2.p01.nsone.netdns2.p04.nsone.netdns3.p01.nsone.netdns3.p04.nsone.netdns4.p01.nsone.netdns4.p04.nsone.netns1.redhat.comns2.redhat.comns3.redhat.comns4.redhat.comMXmx1.redhat.commx2.redhat.comA100.28.104.1752600:1f18:297:ba0e:7900:f622:48a8:f2662600:1f18:297:ba18:6ddc:5d8f:6053:f0032600:1f18:297:ba24:b508:76de:f4a:df3454.157.108.15898.83.184.13318.185.24.46209.132.183.143209.132.183.882a05:d014:803:f30a:4c8d:5530:dac2:1792a05:d014:803:f30c:505c:9738:13c:b7a52a05:d014:803:f30e:ffe5:90d1:736a:fcad3.126.5.1883.71.139.153
●NSdns1.p01.nsone.net2026-07-19 → 2026-07-22 · 3 obs
○ 2021-03-14 06:18:46
● 2026-07-19 19:55:20
● 2026-07-22 03:48:40
●NSdns1.p04.nsone.net2026-07-19 → 2026-07-22 · 3 obs
○ 2021-03-14 06:18:46
● 2026-07-19 19:55:20
● 2026-07-22 03:48:40
●NSdns2.p01.nsone.net2026-07-19 → 2026-07-22 · 3 obs
○ 2021-03-14 06:18:46
● 2026-07-19 19:55:20
● 2026-07-22 03:48:40
●NSdns2.p04.nsone.net2026-07-19 → 2026-07-22 · 3 obs
○ 2021-03-14 06:18:46
● 2026-07-19 19:55:20
● 2026-07-22 03:48:40
●NSdns3.p01.nsone.net2026-07-19 → 2026-07-22 · 3 obs
○ 2021-03-14 06:18:46
● 2026-07-19 19:55:20
● 2026-07-22 03:48:40
●NSdns3.p04.nsone.net2026-07-19 → 2026-07-22 · 3 obs
○ 2021-03-14 06:18:46
● 2026-07-19 19:55:20
● 2026-07-22 03:48:40
●NSdns4.p01.nsone.net2026-07-19 → 2026-07-22 · 3 obs
○ 2021-03-14 06:18:46
● 2026-07-19 19:55:20
● 2026-07-22 03:48:40
●NSdns4.p04.nsone.net2026-07-19 → 2026-07-22 · 3 obs
○ 2021-03-14 06:18:46
● 2026-07-19 19:55:20
● 2026-07-22 03:48:40
○NSns1.redhat.com2015-06-22 → 2021-03-14 · 4 obs
● 2015-06-22 08:30:06
● 2021-03-14 06:18:46
○ 2026-07-19 19:55:20
○ 2026-07-22 03:48:40
○NSns2.redhat.com2015-06-22 → 2021-03-14 · 4 obs
● 2015-06-22 08:30:06
● 2021-03-14 06:18:46
○ 2026-07-19 19:55:20
○ 2026-07-22 03:48:40
○NSns3.redhat.com2015-06-22 → 2021-03-14 · 4 obs
● 2015-06-22 08:30:06
● 2021-03-14 06:18:46
○ 2026-07-19 19:55:20
○ 2026-07-22 03:48:40
○NSns4.redhat.com2021-03-14 → 2021-03-14 · 4 obs
○ 2015-06-22 08:30:06
● 2021-03-14 06:18:46
○ 2026-07-19 19:55:20
○ 2026-07-22 03:48:40
●MXmx1.redhat.com2015-06-22 → 2026-07-22 · 2 obs
● 2015-06-22 08:30:06
● 2026-07-22 03:48:40
○MXmx2.redhat.com2015-06-22 → 2021-03-14 · 4 obs
● 2015-06-22 08:30:06
● 2021-03-14 06:18:46
○ 2026-07-19 19:55:20
○ 2026-07-22 03:48:40
●A100.28.104.1752026-07-22 → 2026-07-22 · 3 obs
○ 2026-07-19 19:55:20
● 2026-07-22 03:48:36
● 2026-07-22 03:48:40
○A18.185.24.462026-07-19 → 2026-07-19 · 4 obs
○ 2021-03-14 06:18:46
● 2026-07-19 19:55:20
○ 2026-07-22 03:48:36
○ 2026-07-22 03:48:40
○A209.132.183.1432021-03-14 → 2021-03-14 · 4 obs
○ 2017-01-26 09:03:56
● 2021-03-14 06:18:46
○ 2026-07-19 19:55:20
○ 2026-07-22 03:48:40
○A209.132.183.882015-06-22 → 2017-01-26 · 4 obs
● 2015-06-22 08:30:06
● 2017-01-26 09:03:56
○ 2021-03-14 06:18:46
○ 2026-07-22 03:48:40
●A2600:1f18:297:ba0e:7900:f622:48a8:f2662026-07-22 → 2026-07-22 · 3 obs
○ 2026-07-19 19:55:20
● 2026-07-22 03:48:36
● 2026-07-22 03:48:40
●A2600:1f18:297:ba18:6ddc:5d8f:6053:f0032026-07-22 → 2026-07-22 · 3 obs
○ 2026-07-19 19:55:20
● 2026-07-22 03:48:36
● 2026-07-22 03:48:40
●A2600:1f18:297:ba24:b508:76de:f4a:df342026-07-22 → 2026-07-22 · 3 obs
○ 2026-07-19 19:55:20
● 2026-07-22 03:48:36
● 2026-07-22 03:48:40
○A2a05:d014:803:f30a:4c8d:5530:dac2:1792026-07-19 → 2026-07-19 · 4 obs
○ 2021-03-14 06:18:46
● 2026-07-19 19:55:20
○ 2026-07-22 03:48:36
○ 2026-07-22 03:48:40
○A2a05:d014:803:f30c:505c:9738:13c:b7a52026-07-19 → 2026-07-19 · 4 obs
○ 2021-03-14 06:18:46
● 2026-07-19 19:55:20
○ 2026-07-22 03:48:36
○ 2026-07-22 03:48:40
○A2a05:d014:803:f30e:ffe5:90d1:736a:fcad2026-07-19 → 2026-07-19 · 4 obs
○ 2021-03-14 06:18:46
● 2026-07-19 19:55:20
○ 2026-07-22 03:48:36
○ 2026-07-22 03:48:40
○A3.126.5.1882026-07-19 → 2026-07-19 · 4 obs
○ 2021-03-14 06:18:46
● 2026-07-19 19:55:20
○ 2026-07-22 03:48:36
○ 2026-07-22 03:48:40
○A3.71.139.1532026-07-19 → 2026-07-19 · 4 obs
○ 2021-03-14 06:18:46
● 2026-07-19 19:55:20
○ 2026-07-22 03:48:36
○ 2026-07-22 03:48:40
●A54.157.108.1582026-07-22 → 2026-07-22 · 3 obs
○ 2026-07-19 19:55:20
● 2026-07-22 03:48:36
● 2026-07-22 03:48:40
●A98.83.184.1332026-07-22 → 2026-07-22 · 3 obs
○ 2026-07-19 19:55:20
● 2026-07-22 03:48:36
● 2026-07-22 03:48:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
lup.dns.lu, 1.ns.lu, k.dns.lu, g.dns.lu...-
redhat.ludns3.p01.nsone.net, dns4.p01.nsone.net, dns1.p01.nsone.net, dns2.p01.nsone.net-

✅ Authoritative Response

Server:198.51.45.1

NS records: dns3.p01.nsone.net, dns4.p01.nsone.net, dns1.p01.nsone.net, dns2.p01.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for redhat.lu (unsigned zone)

⏱️ Timing

Total: 2140ms | Queries: -

📄 Records

TypeCountSample Data
A398.83.184.133, 100.28.104.175...
AAAA32600:1f18:297:ba18:6ddc:5d8f:6053:f003, 2600:1f18:297:ba24:b508:76de:f4a:df34...
NS4dns1.p04.nsone.net, dns2.p04.nsone.net...
MX1mx1.redhat.com (pri: 200)
TXT1v=spf1 -all
SOA1dns1.p04.nsone.net hostmaster.nsone.net

Analysis

IP Addresses

redhat.lu directs to 6 IP numbers: 54.157.108.158, 98.83.184.133, 100.28.104.175 and 3 other.

Two other host names, along with catlifttrucks.com, oshean.com and estesfinalmile.com, also share IP numbers with redhat.lu.

Name Servers

redhat.lu delegates authority to 8 name servers: dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net plus 5 other.

redhat.lu has at least partial name server overlap with other domains, such as aliceaspen.com, nationwide-intermediary.co.uk, rydectro.com and two others.

ns02.squarespacedns.com, ns03.squarespacedns.com and ns04.squarespacedns.com — plus 7 other name servers — are commonly paired with these name servers.

Host names that have two IP addresses:

dns1.p01.nsone.net directs traffic to 198.51.44.1 and 2620:4d:4000:6259:7:1:0:1.

dns2.p01.nsone.net directs traffic to 198.51.45.1 and 2a00:edc0:6259:7:1::2.

dns3.p01.nsone.net directs traffic to 198.51.44.65 and 2620:4d:4000:6259:7:1:0:3.

dns4.p01.nsone.net directs traffic to 198.51.45.65 and 2a00:edc0:6259:7:1::4.

dns1.p04.nsone.net directs traffic to 198.51.44.4 and 2620:4d:4000:6259:7:4:0:1.

dns2.p04.nsone.net directs traffic to 198.51.45.4 and 2a00:edc0:6259:7:4::2.

dns3.p04.nsone.net directs traffic to 198.51.44.68 and 2620:4d:4000:6259:7:4:0:3.

dns4.p04.nsone.net directs traffic to 198.51.45.68 and 2a00:edc0:6259:7:4::4.

Mail Servers

The sole mail server for redhat.lu is mx1.redhat.com.

Among the domains sharing a mail server setup with redhat.lu are redhat.fr, glusterlabs.com, redhat.ie and two others.

There is at least a partial MX overlap between redhat.lu and other domains, including fedoramagazine.org, katello.net, gluster.com and two others.

These mail servers often co-occur with the mail servers mx2.redhat.com.

mx1.redhat.com directs to just one IP number, 52.25.184.255.