first-sec.com - dns.ninja

`first-sec.com`

DNSSEC	⚠️ Not signed
A	107.20.148.80^{🇺🇸 Amazon107.20.0.0/16 EC2 Prefix}
		PTR	`ec2-107-20-148-80.compute-1.amazonaws.com`
NS	`ns73.worldnic.com` ⭐
		A	162.159.26.27^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns74.worldnic.com`
		A	162.159.27.78^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx1-us1.ppe-hosted.com` ⭐
		A	67.231.154.162^{🇺🇸 Proofpoint67.231.154.0/24 Inc.}
			PTR	`mx1-us1.ppe-hosted.com`
		A	148.163.129.50^{🇺🇸 AS13916148.163.129.0/24 Proofpoint Inc.}
			PTR	`mx1-us1.ppe-hosted.com`
MX	`mx2-us1.ppe-hosted.com`⁽²⁰⁾
		A	67.231.154.163^{🇺🇸 Proofpoint67.231.154.0/24 Inc.}
			PTR	`mx2-us1.ppe-hosted.com`
		A	148.163.129.51^{🇺🇸 AS13916148.163.129.0/24 Proofpoint Inc.}
			PTR	`mx2-us1.ppe-hosted.com`
TXT	`MS=ms76230586`
TXT	`ppe-5c0e84a9d8073406d73e`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`NS73.WORLDNIC.com`namehost@WORLDNIC@com serial=124100811

`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=1786441084

Subdomains

mail.first-sec.com

Same first word

first-sec.com

DNS History

7 records (5 active, 2 former)

●NSns73.worldnic.com2015-06-27 → 2026-08-11 · 2 obs

● 2015-06-27 13:03:12
● 2026-08-11 09:54:20

●NSns74.worldnic.com2015-06-27 → 2026-08-11 · 2 obs

● 2015-06-27 13:03:12
● 2026-08-11 09:54:20

○MXmail.first-sec.com2015-06-27 → 2020-03-19 · 4 obs

● 2015-06-27 13:03:12
● 2020-03-19 12:06:52
○ 2026-02-16 23:04:24
○ 2026-08-11 09:54:20

●MXmx1-us1.ppe-hosted.com2026-02-16 → 2026-08-11 · 3 obs

○ 2020-03-19 12:06:52
● 2026-02-16 23:04:24
● 2026-08-11 09:54:20

●MXmx2-us1.ppe-hosted.com2026-02-16 → 2026-08-11 · 3 obs

○ 2020-03-19 12:06:52
● 2026-02-16 23:04:24
● 2026-08-11 09:54:20

●A107.20.148.802026-02-16 → 2026-08-11 · 3 obs

○ 2020-03-19 12:06:52
● 2026-02-16 23:04:24
● 2026-08-11 09:54:20

○A107.20.163.382015-06-27 → 2020-03-19 · 4 obs

● 2015-06-27 13:03:12
● 2020-03-19 12:06:52
○ 2026-02-16 23:04:24
○ 2026-08-11 09:54:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net...	-
first-sec.com	ns73.worldnic.com, ns74.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.26.27

NS records: ns73.worldnic.com, ns74.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for first-sec.com (unsigned zone)

⏱️ Timing

Total: 200ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`107.20.148.80`
NS	2	`ns73.worldnic.com, ns74.worldnic.com`
MX	2	`mx1-us1.ppe-hosted.com (pri: 10), mx2-us1.ppe-hosted.com (pri: 20)`
TXT	3	`MS=ms76230586, ppe-5c0e84a9d8073406d73e...`
SOA	1	`NS73.WORLDNIC.com namehost@WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns73.worldnic.com, ns74.worldnic.com)

Analysis

Hierarchy

first-sec.com serves as the parent of mail.first-sec.com.

IP Addresses

first-sec.com resolves to just one IP address, 107.20.148.80.

Two other host names, along with greenwoodlibrary.us, s-a-c.com and abbasheart.com, also share IP numbers with first-sec.com.

Name Servers

first-sec.com uses two name servers for its delegation: ns73.worldnic.com and ns74.worldnic.com.

first-sec.com shares its NS records with other domains, for example lss-online.com, admarcsouthwest.com, chevychasecenter.com and two others.

first-sec.com has a partial name server overlap with other domains — among them plsurgery.com and weldaid.com.

ns73.worldnic.com directs to 162.159.26.27 and ns74.worldnic.com directs to 162.159.27.78; each host name points to exactly one IP number.

Mail Servers

first-sec.com is served by two mail servers, mx1-us1.ppe-hosted.com and mx2-us1.ppe-hosted.com.

Among the domains sharing a mail server setup with first-sec.com are data101.es, harveycustomhomes.com, 4rpm.ca and two others.

There is at least a partial MX overlap between first-sec.com and other domains, including honorrealtygroup.com, teamsplus.com, enrm.org and two others.

The two host names mx1-us1.ppe-hosted.com and mx2-us1.ppe-hosted.com each have a pair of IP addresses: mx1-us1.ppe-hosted.com has 67.231.154.162 and 148.163.129.50, and mx2-us1.ppe-hosted.com has 67.231.154.163 and 148.163.129.51.