postgresql.vn - dns.ninja

`postgresql.vn`

DNSSEC	⚠️ Not signed
A	18.182.132.31^{🇯🇵 Amazon18.182.0.0/16 EC2 NRT prefix}
NS	`ns1.pavietnam.vn` ⭐
		A	2406:9c80::66^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`ns1.dotvndns.vn`
		A	112.213.89.3^{🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`ns1.dotvndns.vn`
NS	`ns2.pavietnam.vn`
		A	2406:9c80::9000:111^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`ns2.dotvndns.vn`
		A	222.255.121.247^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
NS	`nsbak.pavietnam.net`
		A	2406:9c80::9000:302^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`nsbak.dotvndns.com`
		A	112.213.89.22^{🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`ns8922.dotvndns.vn`
MX	`mail.postgresql.vn` ⭐
		A	18.182.132.31^{🇯🇵 Amazon18.182.0.0/16 EC2 NRT prefix}
TXT	`v=spf1 mx ~all`
SOA	`ns1.pavietnam.vn`hostmaster@postgresql.vn 2020-06-29 #15

`vn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn`
	NS	`b.dns-servers.vn`
	NS	`c.dns-servers.vn`
	NS	`d.dns-servers.vn`
	NS	`e.dns-servers.vn`
	NS	`f.dns-servers.vn`
	NS	`g.dns-servers.vn`
	NS	`h.dns-servers.vn`
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2031044933

Subdomains

mail.postgresql.vn

Same first word

DNS History

6 records (5 active, 1 former)

●NSns1.pavietnam.vn2017-08-17 → 2026-07-27 · 2 obs

● 2017-08-17 09:36:50
● 2026-07-27 21:55:30

●NSns2.pavietnam.vn2017-08-17 → 2026-07-27 · 2 obs

● 2017-08-17 09:36:50
● 2026-07-27 21:55:30

●NSnsbak.pavietnam.net2017-08-17 → 2026-07-27 · 2 obs

● 2017-08-17 09:36:50
● 2026-07-27 21:55:30

●MXmail.postgresql.vn2017-08-17 → 2026-07-27 · 2 obs

● 2017-08-17 09:36:50
● 2026-07-27 21:55:30

○A13.112.142.1452017-08-17 → 2017-08-17 · 3 obs

● 2017-08-17 09:36:50
○ 2026-02-17 05:18:58
○ 2026-07-27 21:55:30

●A18.182.132.312026-02-17 → 2026-07-27 · 3 obs

○ 2017-08-17 09:36:50
● 2026-02-17 05:18:58
● 2026-07-27 21:55:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	g.dns-servers.vn, d.dns-servers.vn, a.dns-servers.vn, h.dns-servers.vn...	-
postgresql.vn	nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn	4 records

✅ Authoritative Response

Server:112.213.89.22

NS records: nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postgresql.vn (unsigned zone)

⏱️ Timing

Total: 1562ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`18.182.132.31`
NS	3	`nsbak.pavietnam.net, ns2.pavietnam.vn...`
MX	1	`mail.postgresql.vn (pri: 10)`
TXT	1	`v=spf1 mx ~all`
SOA	1	`ns1.pavietnam.vn hostmaster.postgresql.v`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns2.pavietnam.vn, ns1.pavietnam.vn, ns2.pavietnam.vn...)

Analysis

Hierarchy

mail.postgresql.vn is delegated beneath postgresql.vn.

IP Addresses

postgresql.vn has exactly one IP address — 18.182.132.31.

Other host names share IP numbers with postgresql.vn; mail.postgresql.vn is one such example.

Name Servers

Three name servers are authoritative for postgresql.vn: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.

There is at least partial name server overlap between postgresql.vn and other domains — ngoisaotuoitho.edu.vn, nhontrachland.vn, spt-vn.com and two more among them.

These name servers tend to appear together with the name servers ns1.dotvndns.vn, ns2.dotvndns.vn and nsbak.dotvndns.com, plus two others.

nsbak.pavietnam.net resolves to 112.213.89.22 and 2406:9c80::9000:302. ns1.pavietnam.vn resolves to 112.213.89.3 and 2406:9c80::66. ns2.pavietnam.vn resolves to 222.255.121.247 and 2406:9c80::9000:111. All three hostnames point to two IP numbers each.

Mail Servers

postgresql.vn uses one mail server — mail.postgresql.vn.

There is one IP number for mail.postgresql.vn: 18.182.132.31.