`smtp.singulus.com`

DNSSEC	⚠️ Not signed
A	75.144.157.210^{🇺🇸 COMCAST-IBONE75.144.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
		PTR	`smtp.singulus.com`

`singulus.com`

	DNSSEC	⚠️ Not signed
	A	87.230.45.172^{🇩🇪 GD-EMEA-DC-CGN187.230.44.0/22 GD MASS Network}
	NS	`ns61.worldnic.com` ⭐
	NS	`ns62.worldnic.com`
	MX	`singulus-com.relay1g.spamh.com` ⭐
	MX	`singulus-com.relay1h.spamh.com`⁽²⁰⁾
	MX	`singulus-com.relay1i.spamh.com`⁽³⁰⁾
	TXT	`9o16v421d47dk6m2m2igqgasvf`
	TXT	`v=spf1 include:spf.protection.outlook.com include:spf.zixsmbhosted.com includ...`
	TXT	`5pthmv2heqvbnnah7ok5o50tp6`
	TXT	`2fadgbii138sq0b14kue8meuct`
	TXT	`MS=ms70045057`
	TXT	`1d6ds6hs2atmmt03q2b6r6m70n`
	TXT	`srn631hacin973hfll9innoi5d`
	SOA	`NS61.WORLDNIC.com`namehost@WORLDNIC.com serial=125111813

rank #844523 globally
rank #372157 in the tld

PTR for

210.157.144.75.in-addr.arpa

Previously MX for

singulus.com

Same first word

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DNS History

2 records (1 active, 1 former)

○A12.70.66.822015-07-03 → 2016-05-09 · 4 obs

● 2015-07-03 16:52:16
● 2016-05-09 04:12:38
○ 2020-11-12 20:01:34
○ 2026-05-12 04:15:44

●A75.144.157.2102020-11-12 → 2026-05-12 · 3 obs

○ 2016-05-09 04:12:38
● 2020-11-12 20:01:34
● 2026-05-12 04:15:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net...	-
singulus.com	ns61.worldnic.com, ns62.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.26.185

NS records: ns61.worldnic.com, ns62.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for singulus.com (unsigned zone)

⏱️ Timing

Total: 367ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`75.144.157.210`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns61.worldnic.com, ns62.worldnic.com)

Analysis

IP Addresses

smtp.singulus.com resolves to a single IP address: 75.144.157.210.

Other host names, for instance mail.singulus.com, share IP numbers with smtp.singulus.com.

smtp.singulus.com - robtex.com