`lubbocklibrary.com`

DNSSEC	⚠️ Not signed
A	208.84.91.16^{🇺🇸 AS396369208.84.91.0/24 CITY-OF-LBCK}
		PTR	`lpandl.com`
		PTR	`lubbockciviccenter.com`
		PTR	`lubbockecc.com`
		PTR	`lubbockfirerescue.com`
		PTR	`lubbocklibrary.com`
		PTR	`selectaseatlubbock.com`
		PTR	`silentwingsmuseum.com`
		PTR	`lbkjuly4th.org`
		PTR	`lubbockmpo.org`
		PTR	`prcone.org`
		PTR	`wtxvaccine.org`
		PTR	`*.cityoflubbockutilities.com`
		PTR	`www.cityoflubbockutilities.com`
		PTR	`*.lpandl.com`
		PTR	`www.lpandl.com`
		PTR	`*.lubbockciviccenter.com`
		PTR	`virtual.lubbockciviccenter.com`
		PTR	`*.lubbockecc.com`
		PTR	`www.lubbockecc.com`
		PTR	`*.lubbockfirerescue.com`
		PTR	`www.lubbockfirerescue.com`
		PTR	`*.lubbocklibrary.com`
		PTR	`www.lubbocklibrary.com`
		PTR	`*.selectaseatlubbock.com`
		PTR	`www.selectaseatlubbock.com`
		PTR	`*.silentwingsmuseum.com`
		PTR	`www.silentwingsmuseum.com`
		PTR	`*.lbkjuly4th.org`
		PTR	`www.lbkjuly4th.org`
		PTR	`*.lubbockmpo.org`
		PTR	`virtual2.lubbockmpo.org`
		PTR	`*.prcone.org`
		PTR	`virtual2.prcone.org`
		PTR	`*.wtxvaccine.org`
		PTR	`www.wtxvaccine.org`
		PTR	`derseite.mylubbock.us`
		PTR	`derseite.ci.lubbock.tx.us`
		PTR	`fireresults.ci.lubbock.tx.us`
		PTR	`gis.ci.lubbock.tx.us`
		PTR	`policereports.ci.lubbock.tx.us`
		PTR	`watertaps.ci.lubbock.tx.us`
		PTR	`www.policereports.ci.lubbock.tx.us`
NS	`ns1-01.azure-dns.com` ⭐
		A	2603:1061:0:700::1^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-01.azure-dns.com`
		A	13.107.236.1^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-01.azure-dns.com`
NS	`ns2-01.azure-dns.net`
		A	2620:1ec:8ec:700::1^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-01.azure-dns.net`
		A	150.171.21.1^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-01.azure-dns.net`
NS	`ns3-01.azure-dns.org`
		A	2a01:111:4000:700::1^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-01.azure-dns.org`
		A	204.14.183.1^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-01.azure-dns.org`
NS	`ns4-01.azure-dns.info`
		A	2620:1ec:bda:700::1^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-01.azure-dns.info`
		A	208.84.5.1^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-01.azure-dns.info`
MX	`mx1.ci.lubbock.tx.us` ⭐
		A	208.84.91.15^{🇺🇸 AS396369208.84.91.0/24 CITY-OF-LBCK}
			PTR	`mailscanner.ci.lubbock.tx.us`
			PTR	`mx1.ci.lubbock.tx.us`
MX	`mx2.ci.lubbock.tx.us` ⭐
		A	208.84.91.135^{🇺🇸 AS396369208.84.91.0/24 CITY-OF-LBCK}
			PTR	`mx2.ci.lubbock.tx.us`
SOA	`ns1-01.azure-dns.com`azuredns-hostmaster@microsoft.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=1774467757

WOT: SAFE (60/100)

PTR for

16.91.84.208.in-addr.arpa

Subdomains

www.lubbocklibrary.com

*.lubbocklibrary.com

Same first word

lubbocklibrary.com

DNS History

13 records (7 active, 6 former)

○NSdmzextdnsmas.lbbdom.ci.lubbock.tx.us2018-11-09 → 2026-03-16 · 5 obs

○ 2015-06-28 16:54:14
● 2018-11-09 01:27:58
● 2026-03-16 01:27:40
○ 2026-03-23 02:16:42
○ 2026-03-25 19:43:20

○NSladybug.ci.lubbock.tx.us2015-06-28 → 2026-03-16 · 4 obs

● 2015-06-28 16:54:14
● 2026-03-16 01:27:40
○ 2026-03-23 02:16:42
○ 2026-03-25 19:43:20

●NSns1-01.azure-dns.com2026-03-23 → 2026-03-25 · 3 obs

○ 2026-03-16 01:27:40
● 2026-03-23 02:16:42
● 2026-03-25 19:43:20

●NSns2-01.azure-dns.net2026-03-23 → 2026-03-25 · 3 obs

○ 2026-03-16 01:27:40
● 2026-03-23 02:16:42
● 2026-03-25 19:43:20

●NSns3-01.azure-dns.org2026-03-23 → 2026-03-25 · 3 obs

○ 2026-03-16 01:27:40
● 2026-03-23 02:16:42
● 2026-03-25 19:43:20

●NSns4-01.azure-dns.info2026-03-23 → 2026-03-25 · 3 obs

○ 2026-03-16 01:27:40
● 2026-03-23 02:16:42
● 2026-03-25 19:43:20

○NSspider.ci.lubbock.tx.us2015-06-28 → 2026-03-16 · 4 obs

● 2015-06-28 16:54:14
● 2026-03-16 01:27:40
○ 2026-03-23 02:16:42
○ 2026-03-25 19:43:20

○NSwasp.ci.lubbock.tx.us2015-06-28 → 2026-03-16 · 4 obs

● 2015-06-28 16:54:14
● 2026-03-16 01:27:40
○ 2026-03-23 02:16:42
○ 2026-03-25 19:43:20

●MXmx1.ci.lubbock.tx.us2015-06-28 → 2026-03-25 · 2 obs

● 2015-06-28 16:54:14
● 2026-03-25 19:43:20

●MXmx2.ci.lubbock.tx.us2015-06-28 → 2026-03-25 · 2 obs

● 2015-06-28 16:54:14
● 2026-03-25 19:43:20

●A208.84.91.162018-11-09 → 2026-03-25 · 3 obs

○ 2017-02-14 21:35:58
● 2018-11-09 01:27:58
● 2026-03-25 19:43:20

○A209.40.184.2282015-06-28 → 2015-11-09 · 4 obs

● 2015-06-28 16:54:14
● 2015-11-09 08:11:14
○ 2016-02-07 19:00:42
○ 2026-03-25 19:43:20

○A66.76.179.1732016-02-07 → 2017-02-14 · 5 obs

○ 2015-11-09 08:11:14
● 2016-02-07 19:00:42
● 2017-02-14 21:35:58
○ 2018-11-09 01:27:58
○ 2026-03-25 19:43:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
lubbocklibrary.com	ns1-01.azure-dns.com, ns2-01.azure-dns.net, ns3-01.azure-dns.org, ns4-01.azure-dns.info	2 records

✅ Authoritative Response

Server:204.14.183.1

NS records: ns1-01.azure-dns.com, ns2-01.azure-dns.net, ns3-01.azure-dns.org, ns4-01.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lubbocklibrary.com (unsigned zone)

⏱️ Timing

Total: 327ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`208.84.91.16`
NS	4	`ns1-01.azure-dns.com, ns2-01.azure-dns.net...`
MX	2	`mx1.ci.lubbock.tx.us (pri: 5), mx2.ci.lubbock.tx.us (pri: 5)`
SOA	1	`ns1-01.azure-dns.com azuredns-hostmaster`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-01.azure-dns.com, ns1-01.azure-dns.com)

Analysis

Hierarchy

lubbocklibrary.com is a parent of www.lubbocklibrary.com and *.lubbocklibrary.com.

IP Addresses

lubbocklibrary.com points to IP number: 208.84.91.16.

Other host names such as us.lubbockgac.org, lubbockmpo.org, www.selectaseatlubbock.com, *.lubbocklibrary.com and tx.us.silentwingsmuseum.com share IPs with lubbocklibrary.com.

Name Servers

lubbocklibrary.com is delegated to four name servers: ns1-01.azure-dns.com, ns4-01.azure-dns.info, ns2-01.azure-dns.net and ns3-01.azure-dns.org.

lubbocklibrary.com at least partially shares name servers with other domains, for instance digipromovil.com, micr0oftadvertising.net, paracelsus-klinik.eu, thecoalition.ca and transportwuyts.be.

Host names with two IP numbers: ns1-01.azure-dns.com points to 2603:1061:0:700::1 and 13.107.236.1; ns4-01.azure-dns.info points to 2620:1ec:bda:700::1 and 208.84.5.1; ns2-01.azure-dns.net points to 2620:1ec:8ec:700::1 and 150.171.21.1; ns3-01.azure-dns.org points to 2a01:111:4000:700::1 and 204.14.183.1.

Mail Servers

lubbocklibrary.com is handled by two mail servers: mx1.ci.lubbock.tx.us and mx2.ci.lubbock.tx.us.

The mail server setup for lubbocklibrary.com matches that of other domains, for instance lubbockairport.org, lubbockciviccenter.com, lubbockgac.org, selectaseatlubbock.com and silentwingsmuseum.com.

Host names with a single IP:

mx1.ci.lubbock.tx.us points to 208.84.91.15.

mx2.ci.lubbock.tx.us points to 208.84.91.135.

lubbocklibrary.com - robtex.com