`buildanumber.com`

DNSSEC	⚠️ Not signed
NS	`ns-1583.awsdns-05.co.uk` ⭐
		A	2600:9000:5306:2f00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1583.awsdns-05.co.uk`
		A	205.251.198.47^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1583.awsdns-05.co.uk`
NS	`ns-1045.awsdns-02.org`
		A	2600:9000:5304:1500::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1045.awsdns-02.org`
		A	205.251.196.21^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1045.awsdns-02.org`
NS	`ns-403.awsdns-50.com`
		A	2600:9000:5301:9300::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-403.awsdns-50.com`
		A	205.251.193.147^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-403.awsdns-50.com`
NS	`ns-690.awsdns-22.net`
		A	2600:9000:5302:b200::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-690.awsdns-22.net`
		A	205.251.194.178^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-690.awsdns-22.net`
MX	`buildanumber-com.mail.protection.outlook.com` ⭐
TXT	`MS=ms25413215`
TXT	`google-site-verification=Cyph54c0fHTtS6_pniau6JGvUBaxbRBWXa1ueHu8gNY`
TXT	`google-site-verification=Z_opheAvZMGhqDDhNAcgiBFjYvGfioOyt48Lo_RuShA`
TXT	`spf2.0/pra include:amazonses.com ?all`
TXT	`v=spf1 -all`
SOA	`ns-1583.awsdns-05.co.uk`awsdns-hostmaster@amazon.com serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778752996

Same first word

buildanumber.com

DNS History

23 records (5 active, 18 former)

●NSns-1045.awsdns-02.org2026-02-22 → 2026-05-14 · 3 obs

○ 2017-06-09 13:08:54
● 2026-02-22 15:06:58
● 2026-05-14 10:30:52

○NSns-1485.awsdns-57.org2015-07-10 → 2017-06-09 · 4 obs

● 2015-07-10 08:26:12
● 2017-06-09 13:08:54
○ 2026-02-22 15:06:58
○ 2026-05-14 10:30:52

●NSns-1583.awsdns-05.co.uk2026-02-22 → 2026-05-14 · 3 obs

○ 2017-06-09 13:08:54
● 2026-02-22 15:06:58
● 2026-05-14 10:30:52

○NSns-1657.awsdns-15.co.uk2015-07-10 → 2017-06-09 · 4 obs

● 2015-07-10 08:26:12
● 2017-06-09 13:08:54
○ 2026-02-22 15:06:58
○ 2026-05-14 10:30:52

○NSns-289.awsdns-36.com2015-07-10 → 2017-06-09 · 4 obs

● 2015-07-10 08:26:12
● 2017-06-09 13:08:54
○ 2026-02-22 15:06:58
○ 2026-05-14 10:30:52

●NSns-403.awsdns-50.com2026-02-22 → 2026-05-14 · 3 obs

○ 2017-06-09 13:08:54
● 2026-02-22 15:06:58
● 2026-05-14 10:30:52

○NSns-657.awsdns-18.net2015-07-10 → 2017-06-09 · 4 obs

● 2015-07-10 08:26:12
● 2017-06-09 13:08:54
○ 2026-02-22 15:06:58
○ 2026-05-14 10:30:52

●NSns-690.awsdns-22.net2026-02-22 → 2026-05-14 · 3 obs

○ 2017-06-09 13:08:54
● 2026-02-22 15:06:58
● 2026-05-14 10:30:52

○MXalt1.aspmx.l.google.com2015-07-10 → 2017-06-09 · 4 obs

● 2015-07-10 08:26:12
● 2017-06-09 13:08:54
○ 2026-02-22 15:06:58
○ 2026-05-14 10:30:52

○MXalt2.aspmx.l.google.com2015-07-10 → 2017-06-09 · 4 obs

● 2015-07-10 08:26:12
● 2017-06-09 13:08:54
○ 2026-02-22 15:06:58
○ 2026-05-14 10:30:52

○MXaspmx.l.google.com2015-07-10 → 2017-06-09 · 4 obs

● 2015-07-10 08:26:12
● 2017-06-09 13:08:54
○ 2026-02-22 15:06:58
○ 2026-05-14 10:30:52

○MXaspmx2.googlemail.com2015-07-10 → 2017-06-09 · 4 obs

● 2015-07-10 08:26:12
● 2017-06-09 13:08:54
○ 2026-02-22 15:06:58
○ 2026-05-14 10:30:52

○MXaspmx3.googlemail.com2015-07-10 → 2017-06-09 · 4 obs

● 2015-07-10 08:26:12
● 2017-06-09 13:08:54
○ 2026-02-22 15:06:58
○ 2026-05-14 10:30:52

●MXbuildanumber-com.mail.protection.outlook.com2026-02-22 → 2026-05-14 · 3 obs

○ 2017-06-09 13:08:54
● 2026-02-22 15:06:58
● 2026-05-14 10:30:52

○A104.154.93.2402016-06-23 → 2016-06-23 · 4 obs

○ 2016-01-26 07:18:00
● 2016-06-23 05:22:22
○ 2017-06-09 13:08:54
○ 2026-05-14 10:30:52

○A104.197.125.302016-06-23 → 2016-06-23 · 4 obs

○ 2016-01-26 07:18:00
● 2016-06-23 05:22:22
○ 2017-06-09 13:08:54
○ 2026-05-14 10:30:52

○A107.21.115.1552015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 08:26:12
○ 2017-06-09 13:08:54
○ 2026-05-14 10:30:52

○A107.21.202.1792015-11-12 → 2015-11-12 · 4 obs

○ 2015-07-10 08:26:12
● 2015-11-12 14:33:06
○ 2016-01-26 07:18:00
○ 2026-05-14 10:30:52

○A107.21.227.1172015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 08:26:12
○ 2017-06-09 13:08:54
○ 2026-05-14 10:30:52

○A107.21.236.952015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 08:26:12
○ 2015-11-12 14:33:06
○ 2026-05-14 10:30:52

○A23.21.78.142016-01-26 → 2016-01-26 · 4 obs

○ 2015-11-12 14:33:06
● 2016-01-26 07:18:00
○ 2016-06-23 05:22:22
○ 2026-05-14 10:30:52

○A52.20.168.1112017-06-09 → 2017-06-09 · 4 obs

○ 2016-06-23 05:22:22
● 2017-06-09 13:08:54
○ 2026-02-22 15:06:58
○ 2026-05-14 10:30:52

○A52.6.255.1512017-06-09 → 2017-06-09 · 4 obs

○ 2016-06-23 05:22:22
● 2017-06-09 13:08:54
○ 2026-02-22 15:06:58
○ 2026-05-14 10:30:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net...	-
buildanumber.com	ns-690.awsdns-22.net, ns-403.awsdns-50.com, ns-1583.awsdns-05.co.uk, ns-1045.awsdns-02.org	2 records

✅ Authoritative Response

Server:205.251.196.21

NS records: ns-690.awsdns-22.net, ns-403.awsdns-50.com, ns-1583.awsdns-05.co.uk, ns-1045.awsdns-02.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for buildanumber.com (unsigned zone)

⏱️ Timing

Total: 871ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1045.awsdns-02.org, ns-1583.awsdns-05.co.uk...`
MX	1	`buildanumber-com.mail.protection.outlook`
TXT	5	`MS=ms25413215, google-site-verification=Cyph54c0fHTtS6_...`
SOA	1	`ns-1583.awsdns-05.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-403.awsdns-50.com, ns-403.awsdns-50.com)

Analysis

Name Servers

buildanumber.com delegates to four name servers: ns-403.awsdns-50.com, ns-690.awsdns-22.net, ns-1045.awsdns-02.org and ns-1583.awsdns-05.co.uk.

buildanumber.com at least partially shares name servers with other domains, for instance reflux.be, d5zvbopm18t4z.cloudfront.net, bootstrapguru.com, celebrex.info and nextgalliance.org.

These name servers are commonly used alongside ns-396.awsdns-49.com, ns-701.awsdns-23.net and ns-1041.awsdns-02.org.

Host names with two IP numbers: ns-403.awsdns-50.com points to 2600:9000:5301:9300::1 and 205.251.193.147; ns-690.awsdns-22.net points to 2600:9000:5302:b200::1 and 205.251.194.178; ns-1045.awsdns-02.org points to 2600:9000:5304:1500::1 and 205.251.196.21; ns-1583.awsdns-05.co.uk points to 2600:9000:5306:2f00::1 and 205.251.198.47.

Mail Servers

buildanumber.com is handled by a single mail server, buildanumber-com.mail.protection.outlook.com.

buildanumber.com - robtex.com