`portabuild.com`

DNSSEC	⚠️ Not signed
A	82.165.144.204^{🇩🇪 IONOS-AS82.165.0.0/16 IONOS-PA-4}
		PTR	`host.metrotop.com`
NS	`ns1.metrotop.com` ⭐
		A	82.165.144.204^{🇩🇪 IONOS-AS82.165.0.0/16 IONOS-PA-4}
			PTR	`host.metrotop.com`
NS	`ns2.metrotop.com`
		A	82.165.144.204^{🇩🇪 IONOS-AS82.165.0.0/16 IONOS-PA-4}
			PTR	`host.metrotop.com`
MX	`mail.portabuild.com` ⭐
		A	82.165.144.204^{🇩🇪 IONOS-AS82.165.0.0/16 IONOS-PA-4}
			PTR	`host.metrotop.com`
TXT	`google-site-verification=VFRu3u3oksn_orJbxlAsUj3MLSzSszsOQvPMdylcyBU`
TXT	`v=spf1 +a +mx +a:host.metrotop.com -all`
SOA	`ns1.metrotop.com`dnsadmin@metrotop.com 2026-03-08 #5

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

Previously MX for

portabuild.com

Subdomains

mail.portabuild.com

Same first word

portabuild.com

portabuild.net

portabuild.co.nz

portabuild.com.au

DNS History

6 records (4 active, 2 former)

●NSns1.metrotop.com2018-01-08 → 2026-03-23 · 2 obs

● 2018-01-08 21:02:40
● 2026-03-23 14:00:06

●NSns2.metrotop.com2018-01-08 → 2026-03-23 · 2 obs

● 2018-01-08 21:02:40
● 2026-03-23 14:00:06

●MXmail.portabuild.com2026-02-17 → 2026-03-23 · 3 obs

○ 2018-01-08 21:02:40
● 2026-02-17 16:26:20
● 2026-03-23 14:00:06

○MXportabuild.com2018-01-08 → 2018-01-08 · 3 obs

● 2018-01-08 21:02:40
○ 2026-02-17 16:26:20
○ 2026-03-23 14:00:06

○A67.222.22.562018-01-08 → 2018-01-08 · 3 obs

● 2018-01-08 21:02:40
○ 2026-02-17 16:26:20
○ 2026-03-23 14:00:06

●A82.165.144.2042026-02-17 → 2026-03-23 · 3 obs

○ 2018-01-08 21:02:40
● 2026-02-17 16:26:20
● 2026-03-23 14:00:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
portabuild.com	ns1.metrotop.com, ns2.metrotop.com	2 records

✅ Authoritative Response

Server:82.165.144.204

NS records: ns1.metrotop.com, ns2.metrotop.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for portabuild.com (unsigned zone)

⏱️ Timing

Total: 991ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`82.165.144.204`
NS	2	`ns1.metrotop.com, ns2.metrotop.com`
MX	1	`mail.portabuild.com (pri: 10)`
TXT	2	`google-site-verification=VFRu3u3oksn_orJ, v=spf1 +a +mx +a:host.metrotop.com -all`
SOA	1	`ns1.metrotop.com dnsadmin.metrotop.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.metrotop.com, ns2.metrotop.com)

Analysis

Hierarchy

portabuild.com is the parent of mail.portabuild.com.

IP Addresses

portabuild.com points to a single IP number: 82.165.144.204.

other host names for instance mail.metrotopconsult.com, ns1.metrotop.com, host.metrotop.com, mail.portabuild.com and ns2.metrotop.com share IP numbers with portabuild.com.

Name Servers

portabuild.com is delegated to two name servers: ns1.metrotop.com and ns2.metrotop.com.

portabuild.com uses the same name server setup as other domains, including metrotopconsult.com.

Host names with a single IP number:

ns1.metrotop.com points to 82.165.144.204 and ns2.metrotop.com points to 82.165.144.204.

Host names that point to 82.165.144.204: ns1.metrotop.com and ns2.metrotop.com.

Mail Servers

portabuild.com is handled by a single mail server, mail.portabuild.com.

Host name mail.portabuild.com points to IP address 82.165.144.204.

portabuild.com - robtex.com

portabuild.com

com