buildingcoderesourcelibrary.com - dns.ninja

`buildingcoderesourcelibrary.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:8a1d^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:26c2^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.38.194^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.138.29^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`arnold.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b45^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c145^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`arnold.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2145^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`arnold.ns.cloudflare.com`
		A	108.162.193.69^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	172.64.33.69^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	173.245.59.69^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
NS	`gail.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a74^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gail.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c074^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gail.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2074^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gail.ns.cloudflare.com`
		A	108.162.192.116^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gail.ns.cloudflare.com`
		A	172.64.32.116^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gail.ns.cloudflare.com`
		A	173.245.58.116^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gail.ns.cloudflare.com`
MX	`mx00.1and1.com` ⭐
		A	74.208.114.65^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
MX	`mx01.1and1.com`⁽¹¹⁾
		A	74.208.114.66^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.38.194, 172.67.138.29
		IPv6 hints	2606:4700:3030::ac43:8a1d, 2606:4700:3035::6815:26c2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=59, name=cloudflare-ech.com
SOA	`arnold.ns.cloudflare.com`dns@cloudflare.com serial=2410402623

`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=1785094822

Previously MX for

buildingcoderesourcelibrary.com

Same first word

buildingcoderesourcelibrary.com

DNS History

19 records (8 active, 11 former)

●NSarnold.ns.cloudflare.com2026-02-15 → 2026-07-26 · 3 obs

○ 2017-03-25 08:26:26
● 2026-02-15 07:24:52
● 2026-07-26 19:44:02

●NSgail.ns.cloudflare.com2026-02-15 → 2026-07-26 · 3 obs

○ 2017-03-25 08:26:26
● 2026-02-15 07:24:52
● 2026-07-26 19:44:02

○NSns-us.1and1-dns.com2015-11-12 → 2017-03-25 · 5 obs

○ 2015-06-18 00:55:28
● 2015-11-12 12:00:32
● 2017-03-25 08:26:26
○ 2026-02-15 07:24:52
○ 2026-07-26 19:44:02

○NSns-us.1and1-dns.de2015-11-12 → 2017-03-25 · 5 obs

○ 2015-06-18 00:55:28
● 2015-11-12 12:00:32
● 2017-03-25 08:26:26
○ 2026-02-15 07:24:52
○ 2026-07-26 19:44:02

○NSns-us.1and1-dns.org2015-11-12 → 2017-03-25 · 5 obs

○ 2015-06-18 00:55:28
● 2015-11-12 12:00:32
● 2017-03-25 08:26:26
○ 2026-02-15 07:24:52
○ 2026-07-26 19:44:02

○NSns-us.1and1-dns.us2015-11-12 → 2017-03-25 · 5 obs

○ 2015-06-18 00:55:28
● 2015-11-12 12:00:32
● 2017-03-25 08:26:26
○ 2026-02-15 07:24:52
○ 2026-07-26 19:44:02

○NSns1.webnola.com2015-06-18 → 2015-06-18 · 3 obs

● 2015-06-18 00:55:28
○ 2015-11-12 12:00:32
○ 2026-07-26 19:44:02

○NSns2.webnola.com2015-06-18 → 2015-06-18 · 3 obs

● 2015-06-18 00:55:28
○ 2015-11-12 12:00:32
○ 2026-07-26 19:44:02

○MXbuildingcoderesourcelibrary.com2015-06-18 → 2015-06-18 · 3 obs

● 2015-06-18 00:55:28
○ 2015-11-12 12:00:32
○ 2026-07-26 19:44:02

●MXmx00.1and1.com2015-11-12 → 2026-07-26 · 3 obs

○ 2015-06-18 00:55:28
● 2015-11-12 12:00:32
● 2026-07-26 19:44:02

●MXmx01.1and1.com2015-11-12 → 2026-07-26 · 3 obs

○ 2015-06-18 00:55:28
● 2015-11-12 12:00:32
● 2026-07-26 19:44:02

●A104.21.38.1942026-02-15 → 2026-07-26 · 3 obs

○ 2017-03-25 08:26:26
● 2026-02-15 07:24:52
● 2026-07-26 19:44:02

●A172.67.138.292026-02-15 → 2026-07-26 · 3 obs

○ 2017-03-25 08:26:26
● 2026-02-15 07:24:52
● 2026-07-26 19:44:02

○A208.88.130.1232015-11-12 → 2017-03-25 · 5 obs

○ 2015-06-18 00:55:28
● 2015-11-12 12:00:32
● 2017-03-25 08:26:26
○ 2026-02-15 07:24:52
○ 2026-07-26 19:44:02

●A2606:4700:3030::ac43:8a1d2026-06-19 → 2026-07-26 · 3 obs

○ 2026-06-15 15:31:02
● 2026-06-19 16:16:50
● 2026-07-26 19:44:02

○A2606:4700:3031::ac43:8a1d2026-02-15 → 2026-06-15 · 5 obs

○ 2017-03-25 08:26:26
● 2026-02-15 07:24:52
● 2026-06-15 15:31:02
○ 2026-06-19 16:16:50
○ 2026-07-26 19:44:02

●A2606:4700:3035::6815:26c22026-06-19 → 2026-07-26 · 3 obs

○ 2026-06-15 15:31:02
● 2026-06-19 16:16:50
● 2026-07-26 19:44:02

○A2606:4700:3037::6815:26c22026-02-15 → 2026-06-15 · 5 obs

○ 2017-03-25 08:26:26
● 2026-02-15 07:24:52
● 2026-06-15 15:31:02
○ 2026-06-19 16:16:50
○ 2026-07-26 19:44:02

○A75.102.8.2102015-06-18 → 2015-06-18 · 3 obs

● 2015-06-18 00:55:28
○ 2015-11-12 12:00:32
○ 2026-07-26 19:44:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net...	-
buildingcoderesourcelibrary.com	gail.ns.cloudflare.com, arnold.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.69

NS records: gail.ns.cloudflare.com, arnold.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for buildingcoderesourcelibrary.com (unsigned zone)

⏱️ Timing

Total: 527ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.38.194, 172.67.138.29`
AAAA	2	`2606:4700:3030::ac43:8a1d, 2606:4700:3035::6815:26c2`
NS	2	`arnold.ns.cloudflare.com, gail.ns.cloudflare.com`
MX	2	`mx00.1and1.com (pri: 10), mx01.1and1.com (pri: 11)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`arnold.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (gail.ns.cloudflare.com, gail.ns.cloudflare.com, gail.ns.cloudflare.com...)

Analysis

IP Addresses

buildingcoderesourcelibrary.com directs to four IP numbers, which are 104.21.38.194, 172.67.138.29, 2606:4700:3030::ac43:8a1d and 2606:4700:3035::6815:26c2.

Among the host names that share IP numbers with buildingcoderesourcelibrary.com are gadgetinfo.in, www.ntwd.com.cn, alonphilippines.com and two others.

Name Servers

DNS delegation for buildingcoderesourcelibrary.com points to two name servers: arnold.ns.cloudflare.com and gail.ns.cloudflare.com.

buildingcoderesourcelibrary.com has the same name server delegation as a number of other domains, such as margatesoulfestival.co.uk, brubakercpa.net, ajatax.com and two more.

There is at least partial name server overlap between buildingcoderesourcelibrary.com and other domains — lunarventures.eu, 5823535.com, a5n3w3.com and two more among them.

The name servers jamie.ns.cloudflare.com, arvind.ns.cloudflare.com and ivy.ns.cloudflare.com are often found in combination with these name servers.

Host names resolving to 6 IP numbers:

arnold.ns.cloudflare.com has IP addresses 108.162.193.69, 172.64.33.69 and 173.245.59.69, plus 3 other.

gail.ns.cloudflare.com has IP addresses 108.162.192.116, 172.64.32.116 and 173.245.58.116, plus 3 other.

Mail Servers

The MX records for buildingcoderesourcelibrary.com point to two mail servers: mx00.1and1.com and mx01.1and1.com.

buildingcoderesourcelibrary.com has the same mail server arrangement as a number of other domains, for example s95283161.onlinehome.us, wwwicedout.com, s19544990.onlinehome-server.com and two more.

buildingcoderesourcelibrary.com shares at least some of its mail servers with other domains — for example u20879461.onlinehome-server.com, motionrc.net, lindinhof.com and two more.

mx00.1and1.com → 74.208.114.65 and mx01.1and1.com → 74.208.114.66: one IP number per host name.