`mail.fastener.eu`

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...`

`fastener.eu`

	DNSSEC	⚠️ Not signed
	A	77.78.104.3^{🇨🇿 CASABLANCA-AS77.78.96.0/20 Casablanca INT}
	NS	`ns2.gransy.com` ⭐
	NS	`ns.gransy.com`
	NS	`ns3.gransy.com`
	NS	`ns4.gransy.com`
	NS	`ns5.gransy.com`
	MX	`mail.fastener.eu` ⭐
	TXT	`google-site-verification=1KW_JfR-5YIfmP_iOqxswPlkqM08EB2Im4emTsiZjuY`
	SOA	`ns.gransy.com`root@gransy.com serial=2753246494

MX for

fastener.eu

Same first word

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mail.edu.az

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DNS History

1 record (1 active, 0 former)

●CNAMEmail.gransy.com2026-04-07 → 2026-04-25 · 2 obs

● 2026-04-07 01:52:38
● 2026-04-25 18:04:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
eu	si.dns.eu, x.dns.eu, be.dns.eu, y.dns.eu...	-
fastener.eu	ns.gransy.com, ns2.gransy.com, ns3.gransy.com, ns4.gransy.com...	-

✅ Authoritative Response

Server:46.21.100.103

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fastener.eu (unsigned zone)

⏱️ Timing

Total: 926ms | Queries: -

📄 Records

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

Analysis

Mail Server Role

mail.fastener.eu is the mail server for fastener.eu.

IP Addresses

Seven IP numbers are pointed to by mail.fastener.eu: 2001:1528:137::f1, 82.208.29.194, 185.28.193.5, 185.28.193.11, 185.28.193.23, 185.28.193.36 and 185.28.193.37.

other host names including mail.extraflame.cz, mail.tescoma.enterprises, mail.mspv.cz, mail.bilderbau.com and imap.station.cz share IP numbers with mail.fastener.eu.

mail.fastener.eu - robtex.com

mail.fastener.eu

fastener.eu