`mxplanb.custos.es`

DNSSEC	⚠️ Not signed
A	185.150.100.26^{🇪🇸 CUSTOS-AS185.150.100.0/24}
		PTR	`mxplanb.custos.es`

`custos.es`

	DNSSEC	⚠️ Not signed
	A	185.150.100.34^{🇪🇸 CUSTOS-AS185.150.100.0/24}
	NS	`nsa.custos.es` ⭐
	NS	`nsb.custos.es`
	NS	`nsc.custosmessium.com`
	NS	`nsd.custos.es`
	NS	`nso.nic.es`
	MX	`mxplanb.custos.es` ⭐
	MX	`plank.b2n.org` ⭐
	TXT	`openai-domain-verification=dv-wbDzscLeJlfP2CTaaflDcXFC`
	TXT	`v=spf1 mx mx:mail3.custos.es ip4:5.2.90.130 ip4:185.150.100.20 a:bohn.b2n.org...`
	SOA	`nsa.custos.es`hostmaster@custos.es 2026-01-24 #4

📈 Tranco rank: #399,908

PTR for

26.100.150.185.in-addr.arpa

MX for

b2n.org

fisioterapiaferarro.com

publidist.es

custos.es

familytv.tv

DNS History

1 record (1 active, 0 former)

●A185.150.100.262020-04-13 → 2026-03-28 · 2 obs

● 2020-04-13 14:38:40
● 2026-03-28 01:55:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
es	g.nic.es, c.nic.es, a.nic.es, h.nic.es	-
custos.es	nso.nic.es, nsd.custos.es, nsa.custos.es, nsb.custos.es...	4 records

✅ Authoritative Response

Server:185.150.100.18

NS records: nso.nic.es, nsd.custos.es, nsa.custos.es, nsb.custos.es, nsc.custosmessium.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for custos.es (unsigned zone)

⏱️ Timing

Total: 362ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.150.100.26`

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (nsd.custos.es, nsb.custos.es, nsa.custos.es...)

Analysis

Mail Server Role

mxplanb.custos.es serves as a mail server for b2n.org, fisioterapiaferarro.com, publidist.es, custos.es and familytv.tv.

Mail servers mail3.custos.es and plank.b2n.org are commonly used with mxplanb.custos.es.

IP Addresses

mxplanb.custos.es points to a single IP number: 185.150.100.26.

mxplanb.custos.es - robtex.com