coombersecurity.com - dns.ninja

`coombersecurity.com`

DNSSEC	⚠️ Not signed
A	2a07:7800::211^{🇬🇧 TWENTYI2a07:7800::/48}
A	185.151.30.211^{🇬🇧 TWENTYI185.151.30.0/24}
NS	`ns1.stackdns.com` ⭐
		A	35.197.225.59^{🇬🇧 Google35.197.224.0/20}
			PTR	`59.225.197.35.bc.googleusercontent.com`
NS	`ns2.stackdns.com`
		A	146.148.28.88^{🇧🇪 Google146.148.16.0/20}
			PTR	`88.28.148.146.bc.googleusercontent.com`
NS	`ns3.stackdns.com`
		A	35.198.79.191^{🇩🇪 Google35.198.64.0/20}
			PTR	`191.79.198.35.bc.googleusercontent.com`
NS	`ns4.stackdns.com`
		A	104.196.137.209^{🇺🇸 Google104.196.128.0/20}
			PTR	`209.137.196.104.bc.googleusercontent.com`
MX	`eu-esec-01.heimdalsecurity.com` ⭐
		A	20.50.183.144^{🇳🇱 Microsoft20.48.0.0/12}
			PTR	`eu-esec-01.heimdalsecurity.com`
		A	20.50.183.146^{🇳🇱 Microsoft20.48.0.0/12}
			PTR	`eu-esec-01.heimdalsecurity.com`
MX	`eu-esec-02.heimdalsecurity.com`⁽¹⁾
		A	20.50.183.144^{🇳🇱 Microsoft20.48.0.0/12}
			PTR	`eu-esec-01.heimdalsecurity.com`
		A	20.50.183.146^{🇳🇱 Microsoft20.48.0.0/12}
			PTR	`eu-esec-01.heimdalsecurity.com`
TXT	`MS=ms13102504`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.stackmail.com a mx incl...`
SOA	`ns1.stackdns.com`hostmaster@stackdns.com serial=1756721801

`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=1785184172

WOT: UNKNOWN (68/100)

Subdomains

mailgate.coombersecurity.com

Same first word

coombersecurity.com

DNS History

15 records (8 active, 7 former)

○NSns.mainnameserver.com2015-06-18 → 2017-09-22 · 4 obs

● 2015-06-18 20:01:10
● 2017-09-22 13:46:30
○ 2026-02-15 11:20:08
○ 2026-07-27 20:52:00

●NSns1.stackdns.com2026-02-15 → 2026-07-27 · 3 obs

○ 2017-09-22 13:46:30
● 2026-02-15 11:20:08
● 2026-07-27 20:52:00

○NSns2.mainnameserver.com2015-06-18 → 2017-09-22 · 4 obs

● 2015-06-18 20:01:10
● 2017-09-22 13:46:30
○ 2026-02-15 11:20:08
○ 2026-07-27 20:52:00

●NSns2.stackdns.com2026-02-15 → 2026-07-27 · 3 obs

○ 2017-09-22 13:46:30
● 2026-02-15 11:20:08
● 2026-07-27 20:52:00

●NSns3.stackdns.com2026-02-15 → 2026-07-27 · 3 obs

○ 2017-09-22 13:46:30
● 2026-02-15 11:20:08
● 2026-07-27 20:52:00

●NSns4.stackdns.com2026-02-15 → 2026-07-27 · 3 obs

○ 2017-09-22 13:46:30
● 2026-02-15 11:20:08
● 2026-07-27 20:52:00

○MXcoombersecurity-com.mail.protection.outlook.com2015-06-18 → 2017-09-22 · 4 obs

● 2015-06-18 20:01:10
● 2017-09-22 13:46:30
○ 2026-02-15 11:20:08
○ 2026-07-27 20:52:00

●MXeu-esec-01.heimdalsecurity.com2026-02-15 → 2026-07-27 · 3 obs

○ 2017-09-22 13:46:30
● 2026-02-15 11:20:08
● 2026-07-27 20:52:00

●MXeu-esec-02.heimdalsecurity.com2026-02-15 → 2026-07-27 · 3 obs

○ 2017-09-22 13:46:30
● 2026-02-15 11:20:08
● 2026-07-27 20:52:00

○MXmail.coombersecurity.com2015-06-18 → 2015-06-18 · 3 obs

● 2015-06-18 20:01:10
○ 2015-11-08 01:51:04
○ 2026-07-27 20:52:00

○MXmailgate.coombersecurity.com2015-06-18 → 2015-06-18 · 3 obs

● 2015-06-18 20:01:10
○ 2015-11-08 01:51:04
○ 2026-07-27 20:52:00

○A176.32.230.222015-06-18 → 2015-06-18 · 3 obs

● 2015-06-18 20:01:10
○ 2015-11-08 01:51:04
○ 2026-07-27 20:52:00

●A185.151.30.2112026-02-15 → 2026-07-27 · 3 obs

○ 2017-09-22 13:46:30
● 2026-02-15 11:20:08
● 2026-07-27 20:52:00

●A2a07:7800::2112026-02-15 → 2026-07-27 · 3 obs

○ 2017-09-22 13:46:30
● 2026-02-15 11:20:08
● 2026-07-27 20:52:00

○A46.32.229.1992015-11-08 → 2017-09-22 · 5 obs

○ 2015-06-18 20:01:10
● 2015-11-08 01:51:04
● 2017-09-22 13:46:30
○ 2026-02-15 11:20:08
○ 2026-07-27 20:52:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, a.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net...	-
coombersecurity.com	ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com, ns4.stackdns.com	4 records

✅ Authoritative Response

Server:35.197.225.59

NS records: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com, ns4.stackdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coombersecurity.com (unsigned zone)

⏱️ Timing

Total: 361ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.151.30.211`
AAAA	1	`2a07:7800::211`
NS	4	`ns3.stackdns.com, ns1.stackdns.com...`
MX	2	`eu-esec-02.heimdalsecurity.com (pri: 1), eu-esec-01.heimdalsecurity.com (pri: 0)`
TXT	2	`MS=ms13102504, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.stackdns.com hostmaster.stackdns.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com...)

Analysis

Hierarchy

The domain mailgate.coombersecurity.com falls under the parent coombersecurity.com.

IP Addresses

coombersecurity.com points to the IP addresses 185.151.30.211 and 2a07:7800::211

Among the host names that share IP numbers with coombersecurity.com are inclusivedesign.scot, unitedlions.co.uk, simrey.com and two others.

Name Servers

The domain coombersecurity.com is delegated to these four name servers: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com and ns4.stackdns.com.

At least some of coombersecurity.com's name servers are shared with other domains, for example btlhosting.com, dependablebodies.co.uk, pirellialarmas.com.uy and two more.

ns1.stackdns.com resolves to 35.197.225.59. ns2.stackdns.com resolves to 146.148.28.88. ns3.stackdns.com resolves to 35.198.79.191. ns4.stackdns.com resolves to 104.196.137.209. All four hosts carry exactly one IP address.

Mail Servers

The MX records for coombersecurity.com point to two mail servers: eu-esec-01.heimdalsecurity.com and eu-esec-02.heimdalsecurity.com.

coombersecurity.com has the same mail server arrangement as a number of other domains, for example apexdyna.dk, redrockconsultants.co.uk, nharp.com and two more.

coombersecurity.com shares at least some of its mail servers with other domains — for example unnu.nu, archerelectrical.com, investottawa.ca and two more.

Both eu-esec-01.heimdalsecurity.com and eu-esec-02.heimdalsecurity.com point to 20.50.183.144 and 20.50.183.146.

The host names eu-esec-01.heimdalsecurity.com and eu-esec-02.heimdalsecurity.com both resolve to 20.50.183.144 IP addresses.

The host names eu-esec-01.heimdalsecurity.com and eu-esec-02.heimdalsecurity.com both resolve to 20.50.183.146 IP addresses.