`mx1.rockbridge.pl`

DNSSEC	⚠️ Not signed
A	88.220.126.50^{🇵🇱 ASN-TELENERGO88.220.0.0/17}
		PTR	`mx1.rockbridge.pl`

`rockbridge.pl`

	DNSSEC	⚠️ Not signed
	A	89.161.242.147^{🇵🇱 HOMEPL-AS89.161.192.0/18}
	NS	`dns2.home.pl` ⭐
	NS	`dns.home.pl`
	NS	`dns3.home.pl`
	MX	`rockbridge-pl.mail.protection.outlook.com` ⭐
	MX	`mx1.rockbridge.pl`⁽²⁰⁾
	TXT	`fb5ffca92b6a0d12251f78331b955c2526e60f15f89013103f46081647a235b`
	TXT	`25efff0be065a51c016fe8fbfb6fa66e4e5988d5b9e24352179f75820cd3ae6`
	TXT	`v=spf1 include:spf.mailjet.com include:spf.protection.outlook.com ip4:88.220....`
	TXT	`MS=ms59912457`
	TXT	`ac9d5c5d48ee4a74d5bf53d830e2918f50fcae60808524d1c15f5f1e9e77f60`
	TXT	`20f577f6d0ce308251a0fc57d8dc57eec99d6b747072bd688634e483b795e0b`
	SOA	`dns.home.pl`admin@home.pl serial=1574767944

PTR for

50.126.220.88.in-addr.arpa

MX for

bphtfi.pl

beglobal.pl

rockbridge.pl

Same first word

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DNS History

2 records (1 active, 1 former)

●A88.220.126.502026-02-17 → 2026-07-08 · 2 obs

● 2026-02-17 20:05:42
● 2026-07-08 01:51:54

○CNAMEmx1.bphtfi.pl2018-01-30 → 2018-01-30 · 3 obs

● 2018-01-30 22:29:24
○ 2026-02-17 20:05:42
○ 2026-07-08 01:51:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	f-dns.pl, b-dns.pl, j-dns.pl, h-dns.pl...	-
rockbridge.pl	dns3.home.pl, dns2.home.pl, dns.home.pl	6 records

✅ Authoritative Response

Server:217.160.80.244

NS records: dns3.home.pl, dns2.home.pl, dns.home.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rockbridge.pl (unsigned zone)

⏱️ Timing

Total: 286ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`88.220.126.50`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (dns3.home.pl, dns2.home.pl, dns.home.pl...)

Analysis

Mail Server Role

mx1.rockbridge.pl handles incoming mail for bphtfi.pl, beglobal.pl and rockbridge.pl.

bphtfi-pl.mail.protection.outlook.com, beglobal-pl.mail.protection.outlook.com and rockbridge-pl.mail.protection.outlook.com are often deployed as mail servers in conjunction with mx1.rockbridge.pl.

IP Addresses

mx1.rockbridge.pl directs to one IP number, which is 88.220.126.50.

mx1.bphtfi.pl is an example of another host name that shares IP numbers with mx1.rockbridge.pl.

mx1.rockbridge.pl - robtex.com