`mybibliotheca.com`

DNSSEC	⚠️ Not signed
A	40.121.86.60^{🇺🇸 Microsoft40.120.0.0/14}
NS	`ns1-02.azure-dns.com` ⭐
		A	2603:1061:0:700::2^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-02.azure-dns.com`
		A	13.107.236.2^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-02.azure-dns.com`
NS	`ns2-02.azure-dns.net`
		A	2620:1ec:8ec:700::2^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-02.azure-dns.net`
		A	150.171.21.2^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-02.azure-dns.net`
NS	`ns3-02.azure-dns.org`
		A	2a01:111:4000:700::2^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-02.azure-dns.org`
		A	204.14.183.2^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-02.azure-dns.org`
NS	`ns4-02.azure-dns.info`
		A	2620:1ec:bda:700::2^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-02.azure-dns.info`
		A	208.84.5.2^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-02.azure-dns.info`
MX	`mail.mybibliotheca.com` ⭐
		A	84.19.50.2^{🇬🇧 VAIONI84.19.48.0/21 Vaioni IP address space}
			PTR	`mail.intelident.co.uk`
MX	`sendgrid.mybibliotheca.com`⁽²⁰⁾
TXT	`v=spf1 ip4:84.19.50.0/27 ip4:20.80.34.56 -all`
TXT	`google-site-verification=Taa-qBYZ2zEL-HcvwvLBiMtjYv9bhYcBgyoSCs3ohQs`
TXT	`lhdjlduefcddg8l3dc8e6di16l`
TXT	`bibliohelpdesk.azurewebsites.net`
SOA	`ns1-02.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=1778465366

Subdomains

mail.mybibliotheca.com

www.mybibliotheca.com

Same first word

mybibliotheca.net

mybibliotheca.com

DNS History

11 records (7 active, 4 former)

○NSns.123-reg.co.uk2015-05-03 → 2017-07-06 · 4 obs

● 2015-05-03 20:24:52
● 2017-07-06 05:21:06
○ 2026-02-17 03:42:14
○ 2026-05-11 02:14:18

●NSns1-02.azure-dns.com2026-02-17 → 2026-05-11 · 3 obs

○ 2017-07-06 05:21:06
● 2026-02-17 03:42:14
● 2026-05-11 02:14:18

●NSns2-02.azure-dns.net2026-02-17 → 2026-05-11 · 3 obs

○ 2017-07-06 05:21:06
● 2026-02-17 03:42:14
● 2026-05-11 02:14:18

○NSns2.123-reg.co.uk2015-05-03 → 2017-07-06 · 4 obs

● 2015-05-03 20:24:52
● 2017-07-06 05:21:06
○ 2026-02-17 03:42:14
○ 2026-05-11 02:14:18

●NSns3-02.azure-dns.org2026-02-17 → 2026-05-11 · 3 obs

○ 2017-07-06 05:21:06
● 2026-02-17 03:42:14
● 2026-05-11 02:14:18

●NSns4-02.azure-dns.info2026-02-17 → 2026-05-11 · 3 obs

○ 2017-07-06 05:21:06
● 2026-02-17 03:42:14
● 2026-05-11 02:14:18

●MXmail.mybibliotheca.com2015-05-03 → 2026-05-11 · 2 obs

● 2015-05-03 20:24:52
● 2026-05-11 02:14:18

●MXsendgrid.mybibliotheca.com2026-02-17 → 2026-05-11 · 3 obs

○ 2017-07-06 05:21:06
● 2026-02-17 03:42:14
● 2026-05-11 02:14:18

○MXsnedgrid.mybibliotheca.com2017-07-06 → 2017-07-06 · 4 obs

○ 2015-05-03 20:24:52
● 2017-07-06 05:21:06
○ 2026-02-17 03:42:14
○ 2026-05-11 02:14:18

●A40.121.86.602026-02-17 → 2026-05-11 · 3 obs

○ 2017-07-06 05:21:06
● 2026-02-17 03:42:14
● 2026-05-11 02:14:18

○A83.223.124.112015-05-03 → 2017-07-06 · 4 obs

● 2015-05-03 20:24:52
● 2017-07-06 05:21:06
○ 2026-02-17 03:42:14
○ 2026-05-11 02:14:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mybibliotheca.com	ns1-02.azure-dns.com, ns2-02.azure-dns.net, ns3-02.azure-dns.org, ns4-02.azure-dns.info	2 records

✅ Authoritative Response

Server:13.107.236.2

NS records: ns1-02.azure-dns.com, ns2-02.azure-dns.net, ns3-02.azure-dns.org, ns4-02.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mybibliotheca.com (unsigned zone)

⏱️ Timing

Total: 433ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`40.121.86.60`
NS	4	`ns1-02.azure-dns.com, ns2-02.azure-dns.net...`
MX	2	`mail.mybibliotheca.com (pri: 10), sendgrid.mybibliotheca.com (pri: 20)`
TXT	4	`v=spf1 ip4:84.19.50.0/27 ip4:20.80.34.56, google-site-verification=Taa-qBYZ2zEL-Hc...`
SOA	1	`ns1-02.azure-dns.com azuredns-hostmaster`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-02.azure-dns.com, ns1-02.azure-dns.com)

Analysis

Hierarchy

mybibliotheca.com is a parent of mail.mybibliotheca.com and www.mybibliotheca.com.

IP Addresses

mybibliotheca.com maps to IP address 40.121.86.60.

Other host names such as bibliotheca-rfid.com, bibliotheca.co.uk, bibliotheca.solutions and www.mybibliotheca.com share IP numbers with mybibliotheca.com.

Name Servers

mybibliotheca.com is delegated to four name servers: ns1-02.azure-dns.com, ns4-02.azure-dns.info, ns2-02.azure-dns.net and ns3-02.azure-dns.org.

mybibliotheca.com at least partially shares name servers with other domains such as microsoftsurfacelaptop.net, priimalms.com, sportsadmin.no, vismaverzuim.cloud and rdv-online.lu.

Host names with two IP numbers:

ns1-02.azure-dns.com points to 2603:1061:0:700::2 and 13.107.236.2

ns4-02.azure-dns.info points to 2620:1ec:bda:700::2 and 208.84.5.2

ns2-02.azure-dns.net points to 2620:1ec:8ec:700::2 and 150.171.21.2

ns3-02.azure-dns.org points to 2a01:111:4000:700::2 and 204.14.183.2

Mail Servers

Two mail servers handle mybibliotheca.com: mail.mybibliotheca.com and sendgrid.mybibliotheca.com.

Host names with one IP: mail.mybibliotheca.com points to 84.19.50.2.

mybibliotheca.com - robtex.com