building18.com - robtex.com

building18.com

DNSSEC⚠️ Not signed
A204.74.99.100🇺🇸 MAINT-ID-12008204.74.99.0/24 Neustar
PTRcrs.ultradns.net
NSpdns1.ultradns.net ⭐
A2001:502:f3ff::1🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRpdns1.ultradns.net
A204.74.108.1🇺🇸 MAINT-ID-12008204.74.108.0/24 Neustar
PTRpdns1.ultradns.net
NSpdns2.ultradns.net
A2610:a1:1014::1🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRpdns2.ultradns.net
A204.74.109.1🇺🇸 MAINT-ID-12008204.74.109.0/24 Neustar
PTRpdns2.ultradns.net
NSpdns3.ultradns.org
A2610:a1:1015::1🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRpdns3.ultradns.org
A199.7.68.1🇺🇸 MAINT-ID-12008199.7.68.0/24 Neustar
PTRpdns3.ultradns.org
NSpdns4.ultradns.org
A2001:502:4612::1🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRpdns4.ultradns.org
A199.7.69.1🇺🇸 MAINT-ID-12008199.7.69.0/24 Neustar
PTRpdns4.ultradns.org
NSpdns5.ultradns.info
A2610:a1:1016::1🇺🇸 MAINT-ID-120082610:a1:1016::/48 Neustar
PTRpdns5.ultradns.info
A204.74.114.1🇺🇸 MAINT-ID-12008204.74.114.0/24 Neustar
PTRpdns5.ultradns.info
NSpdns6.ultradns.co.uk
A2610:a1:1017::1🇺🇸 MAINT-ID-120082610:a1:1017::/48 Neustar
PTRpdns6.ultradns.co.uk
A204.74.115.1🇺🇸 MAINT-ID-12008204.74.115.0/24 Neustar
PTRpdns6.ultradns.co.uk
SOApdns1.ultradns.netcmcmichael@urbn.com 2026-01-27 #2

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=1775115812

Same first word

building18.com

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NSpdns1.ultradns.netpdns2.ultradns.netpdns3.ultradns.orgpdns4.ultradns.orgpdns5.ultradns.infopdns6.ultradns.co.ukbuy.internettraffic.comns1.parkingcrew.netns2.parkingcrew.netsell.internettraffic.comMXmail.h-email.netA204.74.99.100185.53.178.669.172.201.208
○NSbuy.internettraffic.com2015-08-04 → 2015-08-04 · 3 obs
● 2015-08-04 03:41:28
○ 2015-11-27 00:52:26
○ 2026-04-02 07:50:16
○NSns1.parkingcrew.net2015-11-27 → 2016-03-23 · 5 obs
○ 2015-08-04 03:41:28
● 2015-11-27 00:52:26
● 2016-03-23 11:24:34
○ 2016-09-14 11:10:34
○ 2026-04-02 07:50:16
○NSns2.parkingcrew.net2015-11-27 → 2016-03-23 · 5 obs
○ 2015-08-04 03:41:28
● 2015-11-27 00:52:26
● 2016-03-23 11:24:34
○ 2016-09-14 11:10:34
○ 2026-04-02 07:50:16
●NSpdns1.ultradns.net2026-02-15 → 2026-04-02 · 3 obs
○ 2016-09-14 11:10:34
● 2026-02-15 09:56:10
● 2026-04-02 07:50:16
●NSpdns2.ultradns.net2026-02-15 → 2026-04-02 · 3 obs
○ 2016-09-14 11:10:34
● 2026-02-15 09:56:10
● 2026-04-02 07:50:16
●NSpdns3.ultradns.org2026-02-15 → 2026-04-02 · 3 obs
○ 2016-09-14 11:10:34
● 2026-02-15 09:56:10
● 2026-04-02 07:50:16
●NSpdns4.ultradns.org2026-02-15 → 2026-04-02 · 3 obs
○ 2016-09-14 11:10:34
● 2026-02-15 09:56:10
● 2026-04-02 07:50:16
●NSpdns5.ultradns.info2026-02-15 → 2026-04-02 · 3 obs
○ 2016-09-14 11:10:34
● 2026-02-15 09:56:10
● 2026-04-02 07:50:16
●NSpdns6.ultradns.co.uk2026-02-15 → 2026-04-02 · 3 obs
○ 2016-09-14 11:10:34
● 2026-02-15 09:56:10
● 2026-04-02 07:50:16
○NSsell.internettraffic.com2015-08-04 → 2015-08-04 · 3 obs
● 2015-08-04 03:41:28
○ 2015-11-27 00:52:26
○ 2026-04-02 07:50:16
○MXmail.h-email.net2015-11-27 → 2016-03-23 · 4 obs
● 2015-11-27 00:52:26
● 2016-03-23 11:24:34
○ 2016-09-14 11:10:34
○ 2026-04-02 07:50:16
○A185.53.178.62015-11-27 → 2016-03-23 · 5 obs
○ 2015-08-04 03:41:28
● 2015-11-27 00:52:26
● 2016-03-23 11:24:34
○ 2016-09-14 11:10:34
○ 2026-04-02 07:50:16
●A204.74.99.1002026-02-15 → 2026-04-02 · 3 obs
○ 2016-09-14 11:10:34
● 2026-02-15 09:56:10
● 2026-04-02 07:50:16
○A69.172.201.2082015-08-04 → 2015-08-04 · 3 obs
● 2015-08-04 03:41:28
○ 2015-11-27 00:52:26
○ 2026-04-02 07:50:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net...-
building18.compdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net...-

✅ Authoritative Response

Server:199.7.68.1

NS records: pdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net, pdns5.ultradns.info, pdns6.ultradns.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for building18.com (unsigned zone)

⏱️ Timing

Total: 416ms | Queries: -

📄 Records

TypeCountSample Data
A1204.74.99.100
NS6pdns1.ultradns.net, pdns2.ultradns.net...
SOA1pdns1.ultradns.net cmcmichael.urbn.com

Analysis

IP Addresses

building18.com points to a single IP number: 204.74.99.100.

Other host names, for instance porterose.com, interneportaal.nl, nnip.(0x787878), bmcpregnancychildbirth.com and kellybb.us share IP numbers with building18.com.

Name Servers

building18.com delegates to six name servers: pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org and pdns6.ultradns.co.uk.

building18.com shares name servers with other domains at least partially, for instance expedia.com.ro, package-vacation.net, 123.230.54.in-addr.arpa, fugitivesulfuremissiontreating.com and pirates2(0x787878).com.

these name servers are commonly used with the name servers udns1.ultradns.net, udns2.ultradns.net, dns1.p09.nsone.net, dns2.p09.nsone.net, dns3.p09.nsone.net, dns4.p09.nsone.net, ns1.netbcp.com, ns2.netbcp.net, dns1.cscdns.net and dns2.cscdns.net.

Host names with two IP numbers:

pdns5.ultradns.info points to 2610:a1:1016::1 and 204.74.114.1.

pdns1.ultradns.net points to 2001:502:f3ff::1 and 204.74.108.1.

pdns2.ultradns.net points to 2610:a1:1014::1 and 204.74.109.1.

pdns3.ultradns.org points to 2610:a1:1015::1 and 199.7.68.1.

pdns4.ultradns.org points to 2001:502:4612::1 and 199.7.69.1.

pdns6.ultradns.co.uk points to 2610:a1:1017::1 and 204.74.115.1.