`mail.btlibrary.me`

CNAME	`mail.gransy.com`
DNSSEC	⚠️ Not signed
A	2001:1528:137::f1^{🇨🇿 CASABLANCA-AS2001:1528::/32 Casablanca INT v6 network}
		PTR	`mail.gransy.com`
A	82.208.29.194^{🇨🇿 CASABLANCA-AS82.208.28.0/23 Casablanca INT}
A	185.28.193.5^{🇨🇿 GRANSY185.28.193.0/24 Network of Gransy s.r.o.}
A	185.28.193.11^{🇨🇿 GRANSY185.28.193.0/24 Network of Gransy s.r.o.}
A	185.28.193.23^{🇨🇿 GRANSY185.28.193.0/24 Network of Gransy s.r.o.}
A	185.28.193.36^{🇨🇿 GRANSY185.28.193.0/24 Network of Gransy s.r.o.}
A	185.28.193.37^{🇨🇿 GRANSY185.28.193.0/24 Network of Gransy s.r.o.}
TXT	`v=spf1 a mx ip4:77.78.104.0/24 ip4:185.28.192.0/22 ip4:185.38.108.0/22 ip4:18...`

`btlibrary.me`

	DNSSEC	⚠️ Not signed
	A	139.180.188.32^{🇸🇬 AS-VULTR139.180.184.0/21 The Constant Company, LLC 319 CLEMATIS ST Suite 900}
	NS	`ns2.gransy.com` ⭐
	NS	`ns.gransy.com`
	NS	`ns3.gransy.com`
	NS	`ns4.gransy.com`
	NS	`ns5.gransy.com`
	MX	`mail.btlibrary.me` ⭐
	SOA	`ns.gransy.com`root@gransy.com serial=2783277280

MX for

btlibrary.me

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DNS History

1 record (1 active, 0 former)

●CNAMEmail.gransy.com2026-07-18 → 2026-07-21 · 2 obs

● 2026-07-18 02:40:40
● 2026-07-21 04:23:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
me	a0.nic.me, a2.nic.me, b0.nic.me, b2.nic.me...	10 records
btlibrary.me	ns.gransy.com, ns4.gransy.com, ns3.gransy.com, ns2.gransy.com...	-

✅ Authoritative Response

Server:95.179.136.180

NS records: ns.gransy.com, ns4.gransy.com, ns3.gransy.com, ns2.gransy.com, ns5.gransy.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for btlibrary.me (unsigned zone)

⏱️ Timing

Total: 2079ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mail.gransy.com`

📌 Glue Records Collected

Total: 10

In-bailiwick: 10 (a0.nic.me, a0.nic.me, a2.nic.me...)

Analysis

Mail Server Role

btlibrary.me uses mail.btlibrary.me as a mail server.

IP Addresses

mail.btlibrary.me has 7 IP addresses — 82.208.29.194, 185.28.193.5, 185.28.193.11 and 4 more.

mail.jftrial.sk, mail.onlineserialy.com, mail.loud.cz and two other host names share IP numbers with mail.btlibrary.me.

mail.btlibrary.me - robtex.com