`efa4.6a.ro`

DNSSEC	⚠️ Not signed
A	37.153.136.227^{🇷🇴 Prime-Telecom-AS37.153.136.0/24 QWERTY Solutions}
		PTR	`efa4.6a.ro`

`6a.ro`

	DNSSEC	⚠️ Not signed
	A	37.153.136.237^{🇷🇴 Prime-Telecom-AS37.153.136.0/24 QWERTY Solutions}
	NS	`fns1.6a.ro` ⭐
	NS	`fns2.6a.ro`
	MX	`mta.6a.ro` ⭐
	MX	`rspamd.6a.ro`⁽¹⁰⁾
	TXT	`v=spf1 include:_netbloks.6a.ro a mx a:6a.ro ip4:37.153.136.238/32 ip4:89.32.1...`
	SOA	`fns1.6a.ro`dns-admin@6a.ro 2016-05-11 #85

📈 Tranco rank: #357,040

PTR for

227.136.153.37.in-addr.arpa

MX for

bcub.ro

Previously MX for

angst.ro

6a.ro

DNS History

1 record (1 active, 0 former)

●A37.153.136.2272026-02-15 → 2026-08-12 · 2 obs

● 2026-02-15 00:02:34
● 2026-08-12 04:36:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ro	sec-dns-a.rotld.ro, primary.rotld.ro, dns-c.rotld.ro, dns-at.rotld.ro...	-
6a.ro	fns2.6a.ro, fns1.6a.ro	2 records

✅ Authoritative Response

Server:37.153.136.199

NS records: fns2.6a.ro, fns1.6a.ro

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 6a.ro (unsigned zone)

⏱️ Timing

Total: 711ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.153.136.227`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (fns1.6a.ro, fns2.6a.ro)

Analysis

Mail Server Role

bcub.ro uses efa4.6a.ro as a mail server.

rspamd.6a.ro and sunmail.bcub.ro are often paired with efa4.6a.ro as mail servers.

IP Addresses

efa4.6a.ro resolves to one IP address: 37.153.136.227.

efa4.6a.ro - robtex.com

efa4.6a.ro

6a.ro