`mail.biosit.ie`

CNAME	`biosit.ie`
DNSSEC	⚠️ Not signed
A	86.47.225.146^{🇮🇪 EIRCOM86.40.0.0/13 eircom, Ireland}
		PTR	`biosit.ie`
NS	`ns1.blacknightdns.com` ⭐
		A	78.153.203.12^{🇮🇪 BLACKNIGHT-AS78.153.192.0/19 IE-BLACKNIGHT-NET2-PA}
			PTR	`ns1.blacknightdns.com`
NS	`ns2.blacknightdns.com`
		A	81.17.240.172^{🇮🇪 BLACKNIGHT-AS81.17.240.0/24 IE-BLACKNIGHT-INFRA}
			PTR	`ns2.blacknightdns.com`
NS	`ns3.blacknightdns.com`
		A	2a00:fea0:dead::beef^{🇮🇳 GRANSY2a00:fea0::/32 Anycast DNS project}
		A	185.28.194.194^{🇨🇿 GRANSY185.28.194.0/24 Network of Gransy s.r.o.}
			PTR	`ns2.anycastdns.cz`
NS	`ns4.blacknightdns.com`
		A	185.38.108.108^{🇨🇿 GRANSY185.38.108.0/24 Anycast DNS project}
			PTR	`ns1.anycastdns.cz`
MX	`mail.biosit.ie` ⭐
TXT	`google-site-verification=xGtdGZk90B9HW31au9rzbraSZprjBjv3nciPm48PFIM`
TXT	`v=spf1 ip4:86.47.225.146 ~all`
SOA	`ns1.blacknightdns.com`hostmaster@biosit.ie 2025-11-09 #3

`biosit.ie`

	DNSSEC	⚠️ Not signed
	A	86.47.225.146^{🇮🇪 EIRCOM86.40.0.0/13 eircom, Ireland}
	NS	`ns1.blacknightdns.com` ⭐
	NS	`ns2.blacknightdns.com`
	NS	`ns3.blacknightdns.com`
	NS	`ns4.blacknightdns.com`
	MX	`mail.biosit.ie` ⭐
	TXT	`google-site-verification=xGtdGZk90B9HW31au9rzbraSZprjBjv3nciPm48PFIM`
	TXT	`v=spf1 ip4:86.47.225.146 ~all`
	SOA	`ns1.blacknightdns.com`hostmaster@biosit.ie 2025-11-09 #3

MX for

biosit.ie

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DNS History

1 record (1 active, 0 former)

●CNAMEbiosit.ie2026-04-23 → 2026-05-09 · 5 obs

● 2026-04-23 15:48:04
● 2026-04-26 09:09:20
○ 2026-05-09 13:03:32
● 2026-05-09 15:33:08
● 2026-05-09 20:11:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ie	i.ns.ie, d.ns.ie, a.ns.ie, c.ns.ie...	-
biosit.ie	ns3.blacknightdns.com, ns4.blacknightdns.com, ns1.blacknightdns.com, ns2.blacknightdns.com	-

✅ Authoritative Response

Server:81.17.240.172

NS records: ns3.blacknightdns.com, ns4.blacknightdns.com, ns1.blacknightdns.com, ns2.blacknightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biosit.ie (unsigned zone)

⏱️ Timing

Total: 711ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`biosit.ie`

Analysis

Mail Server Role

mail.biosit.ie serves as the mail server for biosit.ie.

IP Addresses

mail.biosit.ie points to a single IP address: 86.47.225.146.

Other host names such as shbi.ie and biosit.ie share IP numbers with mail.biosit.ie.

Name Servers

mail.biosit.ie is delegated to four name servers: ns1.blacknightdns.com, ns2.blacknightdns.com, ns3.blacknightdns.com and ns4.blacknightdns.com.

At least part of the name servers for mail.biosit.ie are shared with other domains, for instance metac.ie, shandondental.ie, rugs4u.ie, psychoanalyst.ie and gamestalent.com.

Host names with two IP numbers:

ns3.blacknightdns.com points to 2a00:fea0:dead::beef and 185.28.194.194.

Host names with one IP number:

ns1.blacknightdns.com points to 78.153.203.12.

ns2.blacknightdns.com points to 81.17.240.172.

ns4.blacknightdns.com points to 185.38.108.108.

Mail Servers

Mail for mail.biosit.ie is handled by a single mail server, mail.biosit.ie.

mail.biosit.ie shares the same mail server setup as other domains, for instance biosit.ie.

mail.biosit.ie - robtex.com

mail.biosit.ie

biosit.ie