building8.com - robtex.com

building8.com

DNSSEC⚠️ Not signed
NSa.ns.facebook.com ⭐
A2a03:2880:f0fc:c:face:b00c:0:35🇺🇸 Facebook2a03:2880:f0fc::/48
PTRa.ns.facebook.com
A129.134.30.12🇺🇸 Facebook129.134.30.0/24 , Inc.
PTRa.ns.facebook.com
NSb.ns.facebook.com
A2a03:2880:f0fd:c:face:b00c:0:35🇺🇸 Facebook2a03:2880:f0fd::/48
PTRb.ns.facebook.com
A129.134.31.12🇺🇸 Facebook129.134.31.0/24 , Inc.
PTRb.ns.facebook.com
NSc.ns.facebook.com
A2a03:2880:f1fc:c:face:b00c:0:35🇺🇸 Facebook2a03:2880:f1fc::/48
PTRc.ns.facebook.com
A185.89.218.12🇮🇱 Facebook185.89.218.0/24
PTRc.ns.facebook.com
NSd.ns.facebook.com
A2a03:2880:f1fd:c:face:b00c:0:35🇺🇸 Facebook2a03:2880:f1fd::/48
PTRd.ns.facebook.com
A185.89.219.12🇮🇱 Facebook185.89.219.0/24
PTRd.ns.facebook.com
MXmxa-00082601.gslb.pphosted.com ⭐
A67.231.153.30🇺🇸 Proofpoint67.231.153.0/24 Inc.
PTRmx0b-00082601.pphosted.com
MXmxb-00082601.gslb.pphosted.com ⭐
A67.231.145.42🇺🇸 Proofpoint67.231.145.0/24 Inc.
PTRmx0a-00082601.pphosted.com
TXTv=spf1 ip4:52.24.40.26 ip4:52.33.187.81 ip4:34.213.149.74 include:_spf.fb.com...
SOAa.ns.facebook.comdns@facebook.com serial=4207849484

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

Subdomains

ajenkins.building8.com

Same first word

building8.com

DNS History

21 records (6 active, 15 former)

20162017201820192020202120222023202420252026NSa.ns.facebook.comb.ns.facebook.comc.ns.facebook.comd.ns.facebook.comns1.namebrightdns.comns2.namebrightdns.comnsg1.namebrightdns.comnsg2.namebrightdns.comMXmxa-00082601.gslb.pphosted.commxb-00082601.gslb.pphosted.comanmail.namebrightmail.commail1.namebrightmail.commail2.namebrightmail.comA107.23.42.5052.21.128.10052.73.136.14054.174.31.25454.175.122.2054.208.74.21554.236.156.189CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com
●NSa.ns.facebook.com2017-02-04 → 2026-03-22 · 3 obs
○ 2016-06-18 17:32:28
● 2017-02-04 17:12:54
● 2026-03-22 02:38:34
●NSb.ns.facebook.com2017-02-04 → 2026-03-22 · 3 obs
○ 2016-06-18 17:32:28
● 2017-02-04 17:12:54
● 2026-03-22 02:38:34
●NSc.ns.facebook.com2026-02-20 → 2026-03-22 · 3 obs
○ 2017-02-04 17:12:54
● 2026-02-20 19:30:20
● 2026-03-22 02:38:34
●NSd.ns.facebook.com2026-02-20 → 2026-03-22 · 3 obs
○ 2017-02-04 17:12:54
● 2026-02-20 19:30:20
● 2026-03-22 02:38:34
○NSns1.namebrightdns.com2015-07-24 → 2016-06-18 · 4 obs
● 2015-07-24 13:27:44
● 2016-06-18 17:32:28
○ 2017-02-04 17:12:54
○ 2026-03-22 02:38:34
○NSns2.namebrightdns.com2015-11-25 → 2016-06-18 · 5 obs
○ 2015-07-24 13:27:44
● 2015-11-25 09:08:34
● 2016-06-18 17:32:28
○ 2017-02-04 17:12:54
○ 2026-03-22 02:38:34
○NSnsg1.namebrightdns.com2015-07-24 → 2015-07-24 · 3 obs
● 2015-07-24 13:27:44
○ 2015-11-25 09:08:34
○ 2026-03-22 02:38:34
○NSnsg2.namebrightdns.com2015-07-24 → 2015-07-24 · 3 obs
● 2015-07-24 13:27:44
○ 2015-11-25 09:08:34
○ 2026-03-22 02:38:34
○MXanmail.namebrightmail.com2015-07-24 → 2015-07-24 · 3 obs
● 2015-07-24 13:27:44
○ 2015-11-25 09:08:34
○ 2026-03-22 02:38:34
○MXmail1.namebrightmail.com2016-06-18 → 2016-06-18 · 4 obs
○ 2015-11-25 09:08:34
● 2016-06-18 17:32:28
○ 2017-02-04 17:12:54
○ 2026-03-22 02:38:34
○MXmail2.namebrightmail.com2016-06-18 → 2016-06-18 · 4 obs
○ 2015-11-25 09:08:34
● 2016-06-18 17:32:28
○ 2017-02-04 17:12:54
○ 2026-03-22 02:38:34
●MXmxa-00082601.gslb.pphosted.com2017-02-04 → 2026-03-22 · 3 obs
○ 2016-06-18 17:32:28
● 2017-02-04 17:12:54
● 2026-03-22 02:38:34
●MXmxb-00082601.gslb.pphosted.com2017-02-04 → 2026-03-22 · 3 obs
○ 2016-06-18 17:32:28
● 2017-02-04 17:12:54
● 2026-03-22 02:38:34
○A107.23.42.502016-02-28 → 2016-02-28 · 4 obs
○ 2015-11-25 09:08:34
● 2016-02-28 16:01:08
○ 2016-06-18 17:32:28
○ 2026-03-22 02:38:34
○A52.21.128.1002015-11-25 → 2015-11-25 · 4 obs
○ 2015-07-24 13:27:44
● 2015-11-25 09:08:34
○ 2016-02-28 16:01:08
○ 2026-03-22 02:38:34
○A52.73.136.1402016-02-28 → 2016-02-28 · 4 obs
○ 2015-11-25 09:08:34
● 2016-02-28 16:01:08
○ 2016-06-18 17:32:28
○ 2026-03-22 02:38:34
○A54.174.31.2542015-07-24 → 2015-07-24 · 3 obs
● 2015-07-24 13:27:44
○ 2017-02-04 17:12:54
○ 2026-03-22 02:38:34
○A54.175.122.202016-06-18 → 2016-06-18 · 4 obs
○ 2016-02-28 16:01:08
● 2016-06-18 17:32:28
○ 2017-02-04 17:12:54
○ 2026-03-22 02:38:34
○A54.208.74.2152015-07-24 → 2015-07-24 · 3 obs
● 2015-07-24 13:27:44
○ 2017-02-04 17:12:54
○ 2026-03-22 02:38:34
○A54.236.156.1892015-11-25 → 2015-11-25 · 4 obs
○ 2015-07-24 13:27:44
● 2015-11-25 09:08:34
○ 2016-02-28 16:01:08
○ 2026-03-22 02:38:34
○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-07-24 → 2016-02-28 · 4 obs
● 2015-07-24 13:27:44
● 2016-02-28 16:01:08
○ 2016-06-18 17:32:28
○ 2026-03-22 02:38:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net...-
building8.coma.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com, d.ns.facebook.com8 records

✅ Authoritative Response

Server: 185.89.219.12

NS records: a.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com, d.ns.facebook.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for building8.com (unsigned zone)

⏱️ Timing

Total: 172ms | Queries: -

📄 Records

TypeCountSample Data
NS4d.ns.facebook.com, c.ns.facebook.com...
MX2mxa-00082601.gslb.pphosted.com (pri: 10), mxb-00082601.gslb.pphosted.com (pri: 10)
TXT1v=spf1 ip4:52.24.40.26 ip4:52.33.187.81
SOA1a.ns.facebook.com dns.facebook.com

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (a.ns.facebook.com, a.ns.facebook.com, b.ns.facebook.com...)

Analysis

Hierarchy

The parent of ajenkins.building8.com is building8.com.

Name Servers

building8.com is delegated to four name servers: a.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com and d.ns.facebook.com.

building8.com at least partially shares name servers with other domains, for example facebookvideo.de, facebook-supportnumber.com, instanavigation.com, facebookads.de and instagramhashtags.net.

Host names with two IP numbers:

a.ns.facebook.com points to: 2a03:2880:f0fc:c:face:b00c:0:35 and 129.134.30.12

b.ns.facebook.com points to: 2a03:2880:f0fd:c:face:b00c:0:35 and 129.134.31.12

c.ns.facebook.com points to: 2a03:2880:f1fc:c:face:b00c:0:35 and 185.89.218.12

d.ns.facebook.com points to: 2a03:2880:f1fd:c:face:b00c:0:35 and 185.89.219.12

Mail Servers

Two mail servers handle building8.com: mxa-00082601.gslb.pphosted.com and mxb-00082601.gslb.pphosted.com.

building8.com shares the same mail server setup as other domains, including mail.fb.com, armature.com, whisper.ai, lofelt.com and i.org.

building8.com shares some mail servers with other domains, for example commandburger.com.

Host names with one IP number:

mxa-00082601.gslb.pphosted.com points to 67.231.153.30; mxb-00082601.gslb.pphosted.com points to 67.231.145.42.