redhat.com.sg - robtex.com

redhat.com.sg

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=1742968878

com.sg

DNSSEC⚠️ Not signed
NSds.sgnic.sg ⭐
NSdsany2.sgnic.sg ⚠️ Not in parent delegation
NSdsany3.sgnic.sg ⚠️ Not in parent delegation
NSdsany4.sgnic.sg ⚠️ Not in parent delegation
NSpch.sgzones.sg ⚠️ Not in parent delegation
SOAds.sgnic.sgdna@sgnic.sg serial=2605130930

Same first word

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DNS History

25 records (15 active, 10 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.comMXmx1.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:df3454.157.108.15898.83.184.13318.185.24.46209.132.183.912a05: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.net2026-05-13 → 2026-05-13 · 3 obs
○ 2018-11-25 19:16:24
● 2026-05-13 04:53:20
● 2026-05-13 09:46:42
●NSdns1.p04.nsone.net2026-05-13 → 2026-05-13 · 3 obs
○ 2018-11-25 19:16:24
● 2026-05-13 04:53:20
● 2026-05-13 09:46:42
●NSdns2.p01.nsone.net2026-05-13 → 2026-05-13 · 3 obs
○ 2018-11-25 19:16:24
● 2026-05-13 04:53:20
● 2026-05-13 09:46:42
●NSdns2.p04.nsone.net2026-05-13 → 2026-05-13 · 3 obs
○ 2018-11-25 19:16:24
● 2026-05-13 04:53:20
● 2026-05-13 09:46:42
●NSdns3.p01.nsone.net2026-05-13 → 2026-05-13 · 3 obs
○ 2018-11-25 19:16:24
● 2026-05-13 04:53:20
● 2026-05-13 09:46:42
●NSdns3.p04.nsone.net2026-05-13 → 2026-05-13 · 3 obs
○ 2018-11-25 19:16:24
● 2026-05-13 04:53:20
● 2026-05-13 09:46:42
●NSdns4.p01.nsone.net2026-05-13 → 2026-05-13 · 3 obs
○ 2018-11-25 19:16:24
● 2026-05-13 04:53:20
● 2026-05-13 09:46:42
●NSdns4.p04.nsone.net2026-05-13 → 2026-05-13 · 3 obs
○ 2018-11-25 19:16:24
● 2026-05-13 04:53:20
● 2026-05-13 09:46:42
○NSns1.redhat.com2015-05-22 → 2018-11-25 · 4 obs
● 2015-05-22 08:31:32
● 2018-11-25 19:16:24
○ 2026-05-13 04:53:20
○ 2026-05-13 09:46:42
○NSns2.redhat.com2015-05-22 → 2018-11-25 · 4 obs
● 2015-05-22 08:31:32
● 2018-11-25 19:16:24
○ 2026-05-13 04:53:20
○ 2026-05-13 09:46:42
○NSns3.redhat.com2015-05-22 → 2018-11-25 · 4 obs
● 2015-05-22 08:31:32
● 2018-11-25 19:16:24
○ 2026-05-13 04:53:20
○ 2026-05-13 09:46:42
●MXmx1.redhat.com2026-05-13 → 2026-05-13 · 2 obs
● 2026-05-13 04:53:20
● 2026-05-13 09:46:42
●A100.28.104.1752026-05-13 → 2026-05-13 · 3 obs
○ 2026-05-13 04:53:20
● 2026-05-13 09:46:40
● 2026-05-13 09:46:42
○A18.185.24.462026-05-13 → 2026-05-13 · 4 obs
○ 2018-11-25 19:16:24
● 2026-05-13 04:53:20
○ 2026-05-13 09:46:40
○ 2026-05-13 09:46:42
○A209.132.183.912015-05-22 → 2018-11-25 · 4 obs
● 2015-05-22 08:31:32
● 2018-11-25 19:16:24
○ 2026-05-13 04:53:20
○ 2026-05-13 09:46:42
●A2600:1f18:297:ba0e:7900:f622:48a8:f2662026-05-13 → 2026-05-13 · 3 obs
○ 2026-05-13 04:53:20
● 2026-05-13 09:46:40
● 2026-05-13 09:46:42
●A2600:1f18:297:ba18:6ddc:5d8f:6053:f0032026-05-13 → 2026-05-13 · 3 obs
○ 2026-05-13 04:53:20
● 2026-05-13 09:46:40
● 2026-05-13 09:46:42
●A2600:1f18:297:ba24:b508:76de:f4a:df342026-05-13 → 2026-05-13 · 3 obs
○ 2026-05-13 04:53:20
● 2026-05-13 09:46:40
● 2026-05-13 09:46:42
○A2a05:d014:803:f30a:4c8d:5530:dac2:1792026-05-13 → 2026-05-13 · 4 obs
○ 2018-11-25 19:16:24
● 2026-05-13 04:53:20
○ 2026-05-13 09:46:40
○ 2026-05-13 09:46:42
○A2a05:d014:803:f30c:505c:9738:13c:b7a52026-05-13 → 2026-05-13 · 4 obs
○ 2018-11-25 19:16:24
● 2026-05-13 04:53:20
○ 2026-05-13 09:46:40
○ 2026-05-13 09:46:42
○A2a05:d014:803:f30e:ffe5:90d1:736a:fcad2026-05-13 → 2026-05-13 · 4 obs
○ 2018-11-25 19:16:24
● 2026-05-13 04:53:20
○ 2026-05-13 09:46:40
○ 2026-05-13 09:46:42
○A3.126.5.1882026-05-13 → 2026-05-13 · 4 obs
○ 2018-11-25 19:16:24
● 2026-05-13 04:53:20
○ 2026-05-13 09:46:40
○ 2026-05-13 09:46:42
○A3.71.139.1532026-05-13 → 2026-05-13 · 4 obs
○ 2018-11-25 19:16:24
● 2026-05-13 04:53:20
○ 2026-05-13 09:46:40
○ 2026-05-13 09:46:42
●A54.157.108.1582026-05-13 → 2026-05-13 · 3 obs
○ 2026-05-13 04:53:20
● 2026-05-13 09:46:40
● 2026-05-13 09:46:42
●A98.83.184.1332026-05-13 → 2026-05-13 · 3 obs
○ 2026-05-13 04:53:20
● 2026-05-13 09:46:40
● 2026-05-13 09:46:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
sgdsany3.sgnic.sg, pch.sgzones.sg, dsany2.sgnic.sg, ns4.apnic.net...10 records
redhat.com.sgdns2.p01.nsone.net, dns4.p01.nsone.net, dns1.p01.nsone.net, dns3.p01.nsone.net-

✅ Authoritative Response

Server:198.51.44.65

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for redhat.com.sg (unsigned zone)

⏱️ Timing

Total: 1874ms | Queries: -

📄 Records

TypeCountSample Data
A398.83.184.133, 100.28.104.175...
AAAA32600:1f18:297:ba18:6ddc:5d8f:6053:f003, 2600:1f18:297:ba0e:7900:f622:48a8:f266...
NS4dns1.p04.nsone.net, dns2.p04.nsone.net...
MX1mx1.redhat.com (pri: 200)
TXT1v=spf1 -all
SOA1dns1.p04.nsone.net hostmaster.nsone.net

📌 Glue Records Collected

Total: 10

In-bailiwick: 8 (dsany4.sgnic.sg, dsany3.sgnic.sg, dsany2.sgnic.sg...)

Out-of-bailiwick: 2 (ns4.apnic.net, ns4.apnic.net)

Analysis

IP Addresses

redhat.com.sg maps to six IP numbers: 2600:1f18:297:ba0e:7900:f622:48a8:f266, 2600:1f18:297:ba18:6ddc:5d8f:6053:f003, 2600:1f18:297:ba24:b508:76de:f4a:df34, 54.157.108.158, 98.83.184.133 and 100.28.104.175.

Other host names, for instance nicorette.com.br, fah-fa.com, mie-5805.herokussl.com, nickelodeon.com and zyngasupport.com share IP numbers with redhat.com.sg.

Name Servers

redhat.com.sg is delegated to eight name servers: dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net, dns1.p04.nsone.net, dns2.p04.nsone.net, dns3.p04.nsone.net and dns4.p04.nsone.net.

redhat.com.sg at least partially shares its name servers with other domains, for instance evanpappasdirector.com, janssen.hk, ilasik.com.hk, bladeseed.com and quiltsgalore.com.

These name servers are commonly used with ns01.squarespacedns.com, ns02.squarespacedns.com, ns03.squarespacedns.com, ns04.squarespacedns.com, ns01.jnjdns.com, ns02.jnjdns.com, ns03.jnjdns.com, ns04.jnjdns.com, connect1.squarespacedns.com and connect2.squarespacedns.com.

Host names with two IP numbers

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

Host dns2.p01.nsone.net points to 2a00:edc0:6259:7:1::2 and 198.51.45.1

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

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

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

Host dns2.p04.nsone.net points to 2a00:edc0:6259:7:4::2 and 198.51.45.4

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

Host dns4.p04.nsone.net points to 2a00:edc0:6259:7:4::4 and 198.51.45.68

Mail Servers

redhat.com.sg is served by a single mail server, mx1.redhat.com.

redhat.com.sg uses the same mail server setup as other domains such as manageiq.us, vmstor.com, redhat.ph, codenvy-dev.com and commandlineheroes.com.

redhat.com.sg shares some mail servers with other domains, including fusesource.com, uberfireframework.org, release-monitoring.org, redhat.it and apac.redhat.com.

These mail servers are often used alongside the mail servers mx2.redhat.com.

mx1.redhat.com points to IP number 52.25.184.255.