`redhat.com.tw`

DNSSEC	⚠️ Not signed
A	2600:1f18:297:ba0e:7900:f622:48a8:f266^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:297:ba18:6ddc:5d8f:6053:f003^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:297:ba24:b508:76de:f4a:df34^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	54.157.108.158^{🇺🇸 Amazon54.156.0.0/14 EC2 IAD prefix}
A	98.83.184.133^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
A	100.28.104.175^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
NS	`dns1.p04.nsone.net` ⭐ ⚠️ Not in parent delegation
		A	2620:4d:4000:6259:7:4:0:1^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns1.p04.nsone.net`
		A	198.51.44.4^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns1.p04.nsone.net`
NS	`dns1.p01.nsone.net` ⚠️ Not in zone NS records
		A	2620:4d:4000:6259:7:1:0:1^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns1.p01.nsone.net`
		A	198.51.44.1^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns1.p01.nsone.net`
NS	`dns2.p01.nsone.net` ⚠️ Not in zone NS records
		A	2a00:edc0:6259:7:1::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p01.nsone.net`
		A	198.51.45.1^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns2.p01.nsone.net`
NS	`dns2.p04.nsone.net` ⚠️ Not in parent delegation
		A	2a00:edc0:6259:7:4::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p04.nsone.net`
		A	198.51.45.4^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns2.p04.nsone.net`
NS	`dns3.p01.nsone.net` ⚠️ Not in zone NS records
		A	2620:4d:4000:6259:7:1:0:3^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns3.p01.nsone.net`
		A	198.51.44.65^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns3.p01.nsone.net`
NS	`dns3.p04.nsone.net` ⚠️ Not in parent delegation
		A	2620:4d:4000:6259:7:4:0:3^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns3.p04.nsone.net`
		A	198.51.44.68^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns3.p04.nsone.net`
NS	`dns4.p01.nsone.net` ⚠️ Not in zone NS records
		A	2a00:edc0:6259:7:1::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p01.nsone.net`
		A	198.51.45.65^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns4.p01.nsone.net`
NS	`dns4.p04.nsone.net` ⚠️ Not in parent delegation
		A	2a00:edc0:6259:7:4::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p04.nsone.net`
		A	198.51.45.68^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns4.p04.nsone.net`
MX	`mx1.redhat.com` ⭐
		A	52.25.184.255^{🇺🇸 Amazon52.24.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-25-184-255.us-west-2.compute.amazonaws.com`
TXT	`v=spf1 -all`
SOA	`dns1.p04.nsone.net`hostmaster@nsone.net serial=1742968791

`com.tw`

	DNSSEC	⚠️ Not signed
	NS	`a.twnic.net.tw` ⭐
	NS	`anytld.apnic.net`
	NS	`b.twnic.net.tw`
	NS	`c.twnic.net.tw`
	NS	`d.twnic.net.tw`
	NS	`e.twnic.net.tw`
	NS	`f.twnic.net.tw`
	NS	`g.twnic.net.tw`
	NS	`h.dns.tw`
	NS	`h.twnic.net.tw`
	SOA	`a.twnic.net.tw`snw@twnic.net.tw serial=2006383094

WOT: SAFE (58/100)

Same first word

redhat.in.th

redhat.is

redhat.lv

redhat.com.ph

redhat.ru

redhat.mx

redhat.events

redhat.com.tw

redhat.computer

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redhat.li

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redhat.rs

redhat.lt

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redhat.com.mt

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redhat.com.lv

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redhat.(0x787878)

redhat.net

redhat.tv

Similar names

thread.ly

dareth.com

thread.today

thread.media

thread.org

htrade.net.cn

therad.com

thread.run

thread.co.in

thread.systems

earthd.co.uk

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hardet.com

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hatred.ru

thread.es

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thread.at

redath.com

dhrate.com

tehdar.com

thread.in

thread.rocks

thread.eu

earthd.net

htrade.com

earthd.co

thedar.store

hedart.com

therad.space

thread.com.ph

earthd.com

earthd.org

darthe.com

hatred.net

detrah.fi

thread.com.tw

adther.com

thread.clothing

terahd.com

redath.us

dertah.com

redath.net

thedra.co.uk

hatred.ch

theard.eu

thread.co.uk

ehardt.co.at

thread.app

thread.com.cn

redaht.com

thread.ru

DNS History

21 records (15 active, 6 former)

●NSdns1.p01.nsone.net2026-05-19 → 2026-07-18 · 2 obs

● 2026-05-19 03:29:34
● 2026-07-18 17:56:40

●NSdns1.p04.nsone.net2026-05-19 → 2026-07-18 · 2 obs

● 2026-05-19 03:29:34
● 2026-07-18 17:56:40

●NSdns2.p01.nsone.net2026-05-19 → 2026-07-18 · 2 obs

● 2026-05-19 03:29:34
● 2026-07-18 17:56:40

●NSdns2.p04.nsone.net2026-05-19 → 2026-07-18 · 2 obs

● 2026-05-19 03:29:34
● 2026-07-18 17:56:40

●NSdns3.p01.nsone.net2026-05-19 → 2026-07-18 · 2 obs

● 2026-05-19 03:29:34
● 2026-07-18 17:56:40

●NSdns3.p04.nsone.net2026-05-19 → 2026-07-18 · 2 obs

● 2026-05-19 03:29:34
● 2026-07-18 17:56:40

●NSdns4.p01.nsone.net2026-05-19 → 2026-07-18 · 2 obs

● 2026-05-19 03:29:34
● 2026-07-18 17:56:40

●NSdns4.p04.nsone.net2026-05-19 → 2026-07-18 · 2 obs

● 2026-05-19 03:29:34
● 2026-07-18 17:56:40

●MXmx1.redhat.com2026-05-19 → 2026-07-18 · 2 obs

● 2026-05-19 03:29:34
● 2026-07-18 17:56:40

●A100.28.104.1752026-05-30 → 2026-07-18 · 9 obs

○ 2026-05-30 05:43:40
● 2026-05-30 06:30:34
○ 2026-06-04 16:30:54
● 2026-06-05 13:44:08
○ 2026-06-07 15:12:14
● 2026-06-26 20:03:26
○ 2026-07-09 00:41:44
● 2026-07-18 17:56:38
● 2026-07-18 17:56:40

○A18.185.24.462026-05-19 → 2026-07-09 · 10 obs

● 2026-05-19 03:29:34
● 2026-05-30 05:43:40
○ 2026-05-30 06:30:34
● 2026-06-04 16:30:54
○ 2026-06-05 13:44:08
● 2026-06-07 15:12:14
○ 2026-06-26 20:03:26
● 2026-07-09 00:41:44
○ 2026-07-18 17:56:38
○ 2026-07-18 17:56:40

●A2600:1f18:297:ba0e:7900:f622:48a8:f2662026-05-30 → 2026-07-18 · 9 obs

●A2600:1f18:297:ba18:6ddc:5d8f:6053:f0032026-05-30 → 2026-07-18 · 9 obs

●A2600:1f18:297:ba24:b508:76de:f4a:df342026-05-30 → 2026-07-18 · 9 obs

○A2a05:d014:803:f30a:4c8d:5530:dac2:1792026-05-19 → 2026-07-09 · 10 obs

○A2a05:d014:803:f30c:505c:9738:13c:b7a52026-05-19 → 2026-07-09 · 10 obs

○A2a05:d014:803:f30e:ffe5:90d1:736a:fcad2026-05-19 → 2026-07-09 · 10 obs

○A3.126.5.1882026-05-19 → 2026-07-09 · 10 obs

○A3.71.139.1532026-05-19 → 2026-07-09 · 10 obs

●A54.157.108.1582026-05-30 → 2026-07-18 · 9 obs

●A98.83.184.1332026-05-30 → 2026-07-18 · 9 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tw	c.dns.tw, b.dns.tw, e.dns.tw, f.dns.tw...	16 records
com.tw	g.twnic.net.tw, c.twnic.net.tw, h.twnic.net.tw, f.twnic.net.tw...	17 records
redhat.com.tw	dns4.p01.nsone.net, dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net	-

✅ Authoritative Response

Server:198.51.44.65

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1538ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`98.83.184.133, 54.157.108.158...`
AAAA	3	`2600:1f18:297:ba18:6ddc:5d8f:6053:f003, 2600:1f18:297:ba24:b508:76de:f4a:df34...`
NS	4	`dns1.p04.nsone.net, dns2.p04.nsone.net...`
MX	1	`mx1.redhat.com (pri: 200)`
TXT	1	`v=spf1 -all`
SOA	1	`dns1.p04.nsone.net hostmaster.nsone.net`

📌 Glue Records Collected

Total: 33

In-bailiwick: 14 (h.dns.tw, g.dns.tw, f.dns.tw...)

Out-of-bailiwick: 19 (anytld.apnic.net, anytld.apnic.net, h.twnic.net.tw...)

Analysis

IP Addresses

redhat.com.tw has 6 IP addresses — 54.157.108.158, 98.83.184.133, 100.28.104.175 and 3 more.

davidlloyd.co.nz, nickelodeon.pt, olympicdreams.movie and two other host names share IP numbers with redhat.com.tw.

Name Servers

redhat.com.tw is served by 8 authoritative name servers — among them dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net and 5 others.

There is at least partial name server overlap between redhat.com.tw and other domains — visine.fr, jewelleryartbyhardwick.com, acuvuespecialoffers.de and two more among them.

These name servers regularly appear alongside ns01.squarespacedns.com, ns02.squarespacedns.com, ns03.squarespacedns.com and 7 other name servers in NS record sets.

Hostnames that resolve to two IP addresses:

dns1.p01.nsone.net resolves to two addresses: 198.51.44.1 and 2620:4d:4000:6259:7:1:0:1.

dns2.p01.nsone.net resolves to two addresses: 198.51.45.1 and 2a00:edc0:6259:7:1::2.

dns3.p01.nsone.net resolves to two addresses: 198.51.44.65 and 2620:4d:4000:6259:7:1:0:3.

dns4.p01.nsone.net resolves to two addresses: 198.51.45.65 and 2a00:edc0:6259:7:1::4.

dns1.p04.nsone.net resolves to two addresses: 198.51.44.4 and 2620:4d:4000:6259:7:4:0:1.

dns2.p04.nsone.net resolves to two addresses: 198.51.45.4 and 2a00:edc0:6259:7:4::2.

dns3.p04.nsone.net resolves to two addresses: 198.51.44.68 and 2620:4d:4000:6259:7:4:0:3.

dns4.p04.nsone.net resolves to two addresses: 198.51.45.68 and 2a00:edc0:6259:7:4::4.

Mail Servers

Mail for redhat.com.tw is handled by a single mail server, mx1.redhat.com.

redhat.com.tw uses an identical mail server configuration to several other domains — among them redhathigh.com, apacheweek.com, jberet.org and two more.

redhat.com.tw has at least partial mail server overlap with other domains such as opensource.com, aerogear.org, fedora.im and two more.

This set of mail servers commonly appears together with the mail servers mx2.redhat.com.

mx1.redhat.com carries a single IP number, which is 52.25.184.255.

redhat.com.tw - robtex.com

redhat.com.tw

com.tw

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`redhat.com.tw`

`com.tw`