rdu.com - robtex.com

rdu.com

DNSSEC⚠️ Not signed
A104.155.147.102🇺🇸 Google104.155.144.0/20
PTR102.147.155.104.bc.googleusercontent.com
NSns3.level3.net ⭐
A216.136.95.12🇺🇸 AS3549216.136.0.0/17
PTRns3.level3.net
NSns4.level3.net
A64.132.94.251🇺🇸 AS354964.132.0.0/16
PTRns4.level3.net
MXmx1.hc4311-32.iphmx.com ⭐
A139.138.34.238🇺🇸 CISCO-1139.138.34.0/24 170 West Tasman Drive San Jose CA 95134 United States
A139.138.38.146🇺🇸 CISCO-1139.138.38.0/24 170 West Tasman Drive San Jose CA 95134 United States
MXmx2.hc4311-32.iphmx.com ⭐
A139.138.34.238🇺🇸 CISCO-1139.138.34.0/24 170 West Tasman Drive San Jose CA 95134 United States
A139.138.38.146🇺🇸 CISCO-1139.138.38.0/24 170 West Tasman Drive San Jose CA 95134 United States
TXTDynatrace-site-verification=e344b365-7cda-4814-a1b0-7a6f7b9700bf__ij1rukjo183...
TXT_amazonses.rdu.comucB6EptiXYKGIL4pIUSjeDvP0J8z76bpA4WfjhGb/RE=
TXTXjEG/IlLEfoP2MIDHP+/nz7SJEJXUcQaf+ZumiFRwPY/bHwHuvHBKK+90VAo7xEngrYFWhRP2gtHL...
TXTintersight=5d9a5bfba1493248b877da4e7389879edb75e7bf747f219c8e49805e7fc76a8e
TXTintersight=26b70c391f65da9d82de8a8ea33be389ccc32a302d9909d191f2f02e2f7734a7
TXTapple-domain-verification=K0igqZgIdmfmt9Ah
TXTMS=ms44664180
TXTc4dbe9637a3a45439a5a1f866bff296e
TXTrdu.comamazonses:ucB6EptiXYKGIL4pIUSjeDvP0J8z76bpA4WfjhGb/RE=
TXTMS=ms59279874
TXTciscocidomainverification=7044bece0d8cde1ddb773330dc0045f9f852139faf80a386e3f...
TXTv=spf1 a:rdu.com a:mail.rdu.com ip4:139.138.38.146 ip4:139.138.39.223 ip4:139...
SOAns3.level3.netdnsteam@level3.com 2026-01-30 #0

com

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=1771291435
rank #105056 globally
rank #48190 in the tld
WOT: SAFE (73/100)
📈 Tranco rank: #232,988

Subdomains

rduexchowa.rdu.com
booking.rdu.com
webmail.rdu.com
www.rdu.com
mail.rdu.com
autodiscover.rdu.com

Same first word

rdu.com.ua
rdu.ro
rdu.com.cn
rdu.ru
rdu.co
rdu.ir
rdu.eu
rdu.org
rdu.es
rdu.edu.tr
rdu.fr
rdu.at
rdu.in
rdu.cn
rdu.co.uk
rdu.nl
rdu.de
rdu.org.nz
rdu.ch
rdu.dk
rdu.info
rdu.co.jp
rdu.net
rdu.it
rdu.cz
rdu.se
rdu.com
rdu.be
rdu.org.ua

Similar names

rud.fr
dru.guru
dur.at
udr.co.za
udr.in
dur.cc
dru.ski
dru.plus
rud.ie
dur.ch
udr.edu.ec
rud.at
dru.ru
dur.biz
dru.ac.th
dru.today
rud.es
dru.academy
dur.fr
udr.com.mx
udr.im
urd.net
rud.kz
dru.co.il
dur.no
dur.cn
urd.at
dru.care
dru.be
dru.pl
urd.us
urd.ch
dru.biz
rud.bg
udr.biz
dur.net.cn
dur.co.za
dru.online
rud.lu
dru.me
rud.co
rud.technology
rud.com
udr.me
dur.ru
dur.de
urd.nl
udr.ch
rud.eu
dur.co
urd.se
urd.eu
dur.la
rud.aero
dur.ag
rud.is
udr.cn
urd.cz
urd.org
rud.nu
rud.xyz
udr.net
rud.me
dru.su
dru.dn.ua
dru.cz
rud.hu
dur.dk
dur.com
dru.co
urd.ac.ir
dru.us
udr.at
rud.com.br
dru.co.uk
udr.be
urd.fr
dru.com
dur.ac.uk
rud.vgs.no
urd.co.kr
rud.com.cn
dru.de
rud.nl
dru.guide
dur.gr
rud.pl
rud.com.mx
dur.info
rud.in

DNS History

12 records (5 active, 7 former)

20162017201820192020202120222023202420252026NSns3.level3.netns4.level3.netipdnstool-02.dnvr.twtelecom.netns1.twtelecom.netns2.twtelecom.netMXmx1.hc4311-32.iphmx.commx2.hc4311-32.iphmx.commail.rdu.comA104.155.147.102104.198.182.5198.1.119.23923.253.85.154
○NSipdnstool-02.dnvr.twtelecom.net2015-08-22 → 2017-02-08 · 4 obs
● 2015-08-22 02:05:38
● 2017-02-08 08:58:24
○ 2017-08-20 08:05:30
○ 2026-03-08 09:35:04
○NSns1.twtelecom.net2015-08-22 → 2017-02-08 · 4 obs
● 2015-08-22 02:05:38
● 2017-02-08 08:58:24
○ 2017-08-20 08:05:30
○ 2026-03-08 09:35:04
○NSns2.twtelecom.net2015-08-22 → 2017-02-08 · 4 obs
● 2015-08-22 02:05:38
● 2017-02-08 08:58:24
○ 2017-08-20 08:05:30
○ 2026-03-08 09:35:04
●NSns3.level3.net2017-01-19 → 2026-03-08 · 3 obs
○ 2015-08-22 02:05:38
● 2017-01-19 09:43:20
● 2026-03-08 09:35:04
●NSns4.level3.net2017-01-19 → 2026-03-08 · 3 obs
○ 2015-08-22 02:05:38
● 2017-01-19 09:43:20
● 2026-03-08 09:35:04
○MXmail.rdu.com2015-08-22 → 2017-12-17 · 4 obs
● 2015-08-22 02:05:38
● 2017-12-17 13:16:54
○ 2026-02-14 17:57:24
○ 2026-03-08 09:35:04
●MXmx1.hc4311-32.iphmx.com2026-02-14 → 2026-03-08 · 3 obs
○ 2017-12-17 13:16:54
● 2026-02-14 17:57:24
● 2026-03-08 09:35:04
●MXmx2.hc4311-32.iphmx.com2026-02-14 → 2026-03-08 · 3 obs
○ 2017-12-17 13:16:54
● 2026-02-14 17:57:24
● 2026-03-08 09:35:04
●A104.155.147.1022017-08-20 → 2026-03-08 · 3 obs
○ 2017-02-08 08:58:24
● 2017-08-20 08:05:30
● 2026-03-08 09:35:04
○A104.198.182.52017-02-06 → 2017-02-08 · 5 obs
○ 2017-01-19 09:43:20
● 2017-02-06 20:52:08
● 2017-02-08 08:58:24
○ 2017-08-20 08:05:30
○ 2026-03-08 09:35:04
○A198.1.119.2392015-08-22 → 2016-06-22 · 4 obs
● 2015-08-22 02:05:38
● 2016-06-22 07:53:00
○ 2016-07-25 14:47:52
○ 2026-03-08 09:35:04
○A23.253.85.1542016-07-25 → 2017-01-19 · 5 obs
○ 2016-06-22 07:53:00
● 2016-07-25 14:47:52
● 2017-01-19 09:43:20
○ 2017-02-06 20:52:08
○ 2026-03-08 09:35:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net...-
rdu.comns3.level3.net, ns4.level3.net-

✅ Authoritative Response

Server: 216.136.95.12

NS records: ns3.level3.net, ns4.level3.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rdu.com (unsigned zone)

⏱️ Timing

Total: 661ms | Queries: -

📄 Records

TypeCountSample Data
A1104.155.147.102
NS2ns3.level3.net, ns4.level3.net
MX2mx1.hc4311-32.iphmx.com (pri: 5), mx2.hc4311-32.iphmx.com (pri: 5)
TXT12XjEG/IlLEfoP2MIDHP+/nz7SJEJXUcQaf+ZumiFR, intersight=5d9a5bfba1493248b877da4e73898...
SOA1ns3.level3.net dnsteam.level3.com

Analysis

Hierarchy

rdu.com has children including rduexchowa.rdu.com, booking.rdu.com, webmail.rdu.com, www.rdu.com, mail.rdu.com and a few other host names.

IP Addresses

rdu.com points to a single IP address: 104.155.147.102.

Other host names such as 102.147.155.104.bc.googleusercontent.com and rduaircraftnoise.com share IP numbers with rdu.com.

Name Servers

rdu.com is delegated to two name servers: ns3.level3.net and ns4.level3.net.

rdu.com uses the same name server setup as other domains, including 214.194.66.in-addr.arpa, 209.201.207.in-addr.arpa, 90.216.206.in-addr.arpa, 168.132.64.in-addr.arpa and 112.235.207.in-addr.arpa.

At least part of the name servers for rdu.com are shared with other domains, for instance myhealthtoolkitwny.com, hotelpricedrop.com, blackswancrisissolutions.com, c-mcs.com and hmsa.org.

These name servers are often used together with the name servers b23.ns.els-gms.att.net, b24.ns.els-gms.att.net, m23.ns.els-gms.att.net, m24.ns.els-gms.att.net, hostmaster.mgmt.level3.net, dbru.br.ns.els-gms.att.net and dmtu.mt.ns.els-gms.att.net.

Hostnames with a single IP

ns3.level3.net resolves to: 216.136.95.12.

ns4.level3.net resolves to: 64.132.94.251.

Mail Servers

rdu.com is handled by two mail servers: mx1.hc4311-32.iphmx.com and mx2.hc4311-32.iphmx.com.

Host names with two IP numbers:

mx1.hc4311-32.iphmx.com points to 139.138.34.238 and 139.138.38.146.

mx2.hc4311-32.iphmx.com points to 139.138.34.238 and 139.138.38.146.

Names pointing to 139.138.34.238: mx1.hc4311-32.iphmx.com and mx2.hc4311-32.iphmx.com.

Names pointing to 139.138.38.146: mx1.hc4311-32.iphmx.com and mx2.hc4311-32.iphmx.com.