`mail.sumberbit.com`

DNSSEC	⚠️ Not signed
A	139.180.221.67^{🇸🇬 AS-VULTR139.180.208.0/20 The Constant Company, LLC 319 CLEMATIS ST Suite 900}
		PTR	`smtp.sumberbit.com`

`sumberbit.com`

	DNSSEC	🔒 Signed (DS record present)
	A	139.180.221.67^{🇸🇬 AS-VULTR139.180.208.0/20 The Constant Company, LLC 319 CLEMATIS ST Suite 900}
	NS	`ns1.sumberbit.com` ⭐
	NS	`ns2.sumberbit.com`
	NS	`ns3.sumberbit.com`
	MX	`smtp.sumberbit.com` ⭐
	TXT	`google-site-verification=Nsf16ESiaXwmgXCowWH7b5SXooJW-xDnnH6T9-qj6Vg`
	TXT	`v=spf1 +mx +a ip4:139.180.221.67 ~all`
	SOA	`ns1.sumberbit.com`admin@sumberbit.com 2019-08-10 #71

Previously MX for

sumberbit.com

Same first word

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DNS History

2 records (1 active, 1 former)

○A101.50.2.172018-09-28 → 2018-09-28 · 3 obs

● 2018-09-28 00:29:32
○ 2026-02-22 08:37:10
○ 2026-03-31 02:58:26

●A139.180.221.672026-02-22 → 2026-03-31 · 3 obs

○ 2018-09-28 00:29:32
● 2026-02-22 08:37:10
● 2026-03-31 02:58:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sumberbit.com	ns1.sumberbit.com, ns2.sumberbit.com, ns3.sumberbit.com	3 records

✅ Authoritative Response

Server:139.180.221.67

NS records: ns1.sumberbit.com, ns2.sumberbit.com, ns3.sumberbit.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 753ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`139.180.221.67`

📌 Glue Records Collected

Total: 3

In-bailiwick: 3 (ns1.sumberbit.com, ns2.sumberbit.com, ns3.sumberbit.com)

Analysis

IP Addresses

mail.sumberbit.com resolves to one IP number: 139.180.221.67.

Other host names, for instance sumberbit.com, smtp.sumberbit.com and ns1.sumberbit.com share IP numbers with mail.sumberbit.com.

mail.sumberbit.com - robtex.com