usf.com - dns.ninja

usf.com

DNSSEC⚠️ Not signed
A34.213.153.194🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix
PTRec2-34-213-153-194.us-west-2.compute.amazonaws.com
NSns1.nbcuni.com ⭐
A2001:502:f3ff::31🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRns1.nbcuni.com
A156.154.64.31🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar
PTRns1.nbcuni.com
NSns2.nbcuni.com
A2610:a1:1014::31🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRns2.nbcuni.com
A156.154.65.31🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar
PTRns2.nbcuni.com
NSns3.nbcuni.com
A2610:a1:1015::31🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRns3.nbcuni.com
A156.154.66.31🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar
PTRns3.nbcuni.com
NSns4.nbcuni.com
A2001:502:4612::31🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRns4.nbcuni.com
A156.154.67.31🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar
PTRns4.nbcuni.com
NSns5.nbcuni.com
A2610:a1:1016::31🇺🇸 MAINT-ID-120082610:a1:1016::/48 Neustar
PTRns5.nbcuni.com
A156.154.68.31🇺🇸 MAINT-ID-12008156.154.68.0/24 Neustar
PTRns5.nbcuni.com
NSns6.nbcuni.com
A2610:a1:1017::31🇺🇸 MAINT-ID-120082610:a1:1017::/48 Neustar
PTRns6.nbcuni.com
A156.154.69.31🇺🇸 MAINT-ID-12008156.154.69.0/24 Neustar
PTRns6.nbcuni.com
SOAns1.nbcuni.comdomain\@admin.nbcuni.com 2013-02-13 #21

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=1785293897
WOT: SAFE (80/100)

Subdomains

www.usf.com

Same first word

usf.us
usf.com.br
usf.email
usf.hu
usf.be
usf.world
usf.mw
usf.co.uk
usf.fr
usf.edu
usf.news
usf.co.za
usf.no
usf.fi
usf.cz
usf.dk
usf.education
usf.ca
usf.mba
usf.com.mx
usf.org.ua
usf.br
usf.pl
usf.ro
usf.ru
usf.info
usf.vc
usf.sport
usf.ir
usf.nl
usf.org
usf.it.com
usf.me
usf.se
usf.institute
usf.kr
usf.edu.br
usf.com
usf.gov.zw
usf.edu.pk
usf.academy
usf.tn
usf.eu
usf.org.pk
usf.cn
usf.gl
usf.it
usf.cat
usf.org.tr
usf.at
usf.com.ua

Similar names

fsu.ir
sfu.jp
sfu.se
sfu.org
suf.se
ufs.solutions
fsu.org
ufs.net.cn
suf.pl
sfu.edu.hk
fsu.by
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fsu.com
fus.la
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ufs.edu.pl
fsu.de
suf.dk
fsu.dk
ufs.me
fsu.co.za
fus.com.cn
ufs.ca
sfu.co.za
sfu.cc
ufs.com.mv
fus.co.at
fsu.se
sfu.co
sfu.it
ufs.pl
fus.cm
suf.ch
suf.cc
fus.cn
suf.ru
fsu.be
fus.cz
ufs.com.pk
fsu.es
suf.in
fsu.cn
sfu.ch
sfu.ac.at
ufs.pw
fsu.edu.rs
suf.jp
ufs.cl
fus.nl
ufs.pt
fsu.pt
suf.be
ufs.cc
ufs.is
ufs.sk
sfu.ca
ufs.se
fsu.cz
fsu.me
ufs.rs
ufs.com.ua
fus.life
suf.fr
fsu.schule
sfu.dk
ufs.org
sfu.info
suf.at
suf.biz
sfu.org.uy
fus.cc
sfu.cl
sfu.com.cn
ufs.co.in
ufs.sh
ufs.info
ufs.br
fus.dk
fsu.gr
ufs.ac
fsu.org.ua
suf.org
sfu.museum
fsu.is
fsu.ch
suf.co.uk
fus.edu.vn
ufs.it
sfu.org.ua
fsu.rentals
fsu.net
fus.de
sfu.co.uk
fsu.edu
fsu.gov.dm
fus.ch
ufs.mobi
ufs.ir
fsu.sk
fus.pl
ufs.com.ph
fus.pw
fsu.nl
ufs.co.uk
ufs.com.au
ufs.nl
ufs.net
ufs.kiev.ua
ufs.today
fus.lu
fus.ma
fus.ru
fsu.fi
sfu.de
ufs.cz
suf.co.za
ufs.ae
ufs.ac.za
ufs.at
fsu.fr
fsu.ca
ufs.com.tr
fus.net
suf.info
suf.kr
suf.es
sfu.me
sfu.be
suf.com
ufs.travel
fsu.edu.in

DNS History

17 records (7 active, 10 former)

20162017201820192020202120222023202420252026NSns1.nbcuni.comns2.nbcuni.comns3.nbcuni.comns4.nbcuni.comns5.nbcuni.comns6.nbcuni.comns1.netbcp.comns2.netbcp.netpdns1.ultradns.netpdns2.ultradns.netpdns3.ultradns.orgpdns4.ultradns.orgpdns5.ultradns.infopdns6.ultradns.co.ukA34.213.153.194173.239.116.161204.12.95.192
●NSns1.nbcuni.com2015-12-13 → 2026-07-29 · 3 obs
○ 2015-10-09 04:27:10
● 2015-12-13 18:58:28
● 2026-07-29 03:04:46
○NSns1.netbcp.com2015-08-23 → 2016-12-20 · 4 obs
● 2015-08-23 13:10:48
● 2016-12-20 17:44:56
○ 2021-04-15 06:30:42
○ 2026-07-29 03:04:46
●NSns2.nbcuni.com2021-04-15 → 2026-07-29 · 3 obs
○ 2016-12-20 17:44:56
● 2021-04-15 06:30:42
● 2026-07-29 03:04:46
○NSns2.netbcp.net2015-08-23 → 2016-12-20 · 4 obs
● 2015-08-23 13:10:48
● 2016-12-20 17:44:56
○ 2021-04-15 06:30:42
○ 2026-07-29 03:04:46
●NSns3.nbcuni.com2021-04-15 → 2026-07-29 · 3 obs
○ 2016-12-20 17:44:56
● 2021-04-15 06:30:42
● 2026-07-29 03:04:46
●NSns4.nbcuni.com2021-04-15 → 2026-07-29 · 3 obs
○ 2016-12-20 17:44:56
● 2021-04-15 06:30:42
● 2026-07-29 03:04:46
●NSns5.nbcuni.com2021-04-15 → 2026-07-29 · 3 obs
○ 2016-12-20 17:44:56
● 2021-04-15 06:30:42
● 2026-07-29 03:04:46
●NSns6.nbcuni.com2021-04-15 → 2026-07-29 · 3 obs
○ 2016-12-20 17:44:56
● 2021-04-15 06:30:42
● 2026-07-29 03:04:46
○NSpdns1.ultradns.net2015-08-23 → 2016-12-20 · 6 obs
● 2015-08-23 13:10:48
● 2015-10-09 04:27:10
○ 2015-12-13 18:58:28
● 2016-12-20 17:44:56
○ 2021-04-15 06:30:42
○ 2026-07-29 03:04:46
○NSpdns2.ultradns.net2015-08-23 → 2016-12-20 · 4 obs
● 2015-08-23 13:10:48
● 2016-12-20 17:44:56
○ 2021-04-15 06:30:42
○ 2026-07-29 03:04:46
○NSpdns3.ultradns.org2015-08-23 → 2016-12-20 · 4 obs
● 2015-08-23 13:10:48
● 2016-12-20 17:44:56
○ 2021-04-15 06:30:42
○ 2026-07-29 03:04:46
○NSpdns4.ultradns.org2015-08-23 → 2016-12-20 · 4 obs
● 2015-08-23 13:10:48
● 2016-12-20 17:44:56
○ 2021-04-15 06:30:42
○ 2026-07-29 03:04:46
○NSpdns5.ultradns.info2015-08-23 → 2016-12-20 · 4 obs
● 2015-08-23 13:10:48
● 2016-12-20 17:44:56
○ 2021-04-15 06:30:42
○ 2026-07-29 03:04:46
○NSpdns6.ultradns.co.uk2015-08-23 → 2016-12-20 · 4 obs
● 2015-08-23 13:10:48
● 2016-12-20 17:44:56
○ 2021-04-15 06:30:42
○ 2026-07-29 03:04:46
○A173.239.116.1612015-08-23 → 2015-10-09 · 4 obs
● 2015-08-23 13:10:48
● 2015-10-09 04:27:10
○ 2015-12-13 18:58:28
○ 2026-07-29 03:04:46
○A204.12.95.1922015-12-13 → 2016-12-20 · 5 obs
○ 2015-10-09 04:27:10
● 2015-12-13 18:58:28
● 2016-12-20 17:44:56
○ 2021-04-15 06:30:42
○ 2026-07-29 03:04:46
●A34.213.153.1942021-04-15 → 2026-07-29 · 3 obs
○ 2016-12-20 17:44:56
● 2021-04-15 06:30:42
● 2026-07-29 03:04:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net...-
usf.comns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com, ns4.nbcuni.com...6 records

✅ Authoritative Response

Server:156.154.64.31

NS records: ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com, ns4.nbcuni.com, ns5.nbcuni.com, ns6.nbcuni.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usf.com (unsigned zone)

⏱️ Timing

Total: 226ms | Queries: -

📄 Records

TypeCountSample Data
A134.213.153.194
NS6ns1.nbcuni.com, ns2.nbcuni.com...
SOA1ns1.nbcuni.com domain\.admin.nbcuni.com

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com...)

Analysis

Hierarchy

www.usf.com is a subdomain of usf.com.

IP Addresses

usf.com resolves to one IP address: 34.213.153.194.

ushauditions.com, jawsblu-ray.com, experiencehollywood.com and two other host names share IP numbers with usf.com.

Name Servers

usf.com carries NS records listing 6 name servers — ns1.nbcuni.com, ns2.nbcuni.com, ns3.nbcuni.com and 3 others.

The name servers of usf.com overlap at least partially with those of other domains — among them lethimgothemovie.com, nbc-olympic.com, nbcuniversalfirstlook.com and two more.

These name servers commonly appear in delegations together with ns4.nbcuni.com, ns5.nbcuni.com, ns6.nbcuni.com and 6 other.

Hostnames that resolve to two IP addresses:

The A records for ns1.nbcuni.com return 156.154.64.31 and 2001:502:f3ff::31.

The A records for ns2.nbcuni.com return 156.154.65.31 and 2610:a1:1014::31.

The A records for ns3.nbcuni.com return 156.154.66.31 and 2610:a1:1015::31.

The A records for ns4.nbcuni.com return 156.154.67.31 and 2001:502:4612::31.

The A records for ns5.nbcuni.com return 156.154.68.31 and 2610:a1:1016::31.

The A records for ns6.nbcuni.com return 156.154.69.31 and 2610:a1:1017::31.