`ptlengineering.com`

DNSSEC	⚠️ Not signed
A	198.71.233.61^{🇺🇸 AS398787198.71.233.0/24 MWP}
		PTR	`61.233.71.198.host.secureserver.net`
NS	`ns51.worldnic.com` ⭐
		A	162.159.26.165^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns52.worldnic.com`
		A	162.159.27.8^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`ptlengineering-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::14^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-byapr04cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:c91d::b^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr02cu00603.inbound.protection.outlook.com`
		A	2a01:111:f403:c927::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn8pr05cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch0pr04cu00603.inbound.protection.outlook.com`
		A	52.101.10.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn8pr03cu00202.inbound.protection.outlook.com`
		A	52.101.11.15^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr02cu00207.inbound.protection.outlook.com`
		A	52.101.42.16^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr05cu00300.inbound.protection.outlook.com`
		A	52.101.194.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch5pr02cu00401.inbound.protection.outlook.com`
TXT	`q5pt0lem5ediorhh9gbrj4vjhu`
TXT	`google-site-verification=9haIjN1pl4L5BTXVH4xVuxI-RyyVUJ7h-m-m-LJcmKw`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`NS51.WORLDNIC.com`namehost@WORLDNIC@com serial=125011314

`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=1774589672

Same first word

ptlengineering.com

DNS History

6 records (4 active, 2 former)

●NSns51.worldnic.com2015-08-19 → 2026-03-27 · 2 obs

● 2015-08-19 11:20:46
● 2026-03-27 05:47:36

●NSns52.worldnic.com2015-08-19 → 2026-03-27 · 2 obs

● 2015-08-19 11:20:46
● 2026-03-27 05:47:36

●MXptlengineering-com.mail.protection.outlook.com2015-08-19 → 2026-03-27 · 2 obs

● 2015-08-19 11:20:46
● 2026-03-27 05:47:36

○A166.62.112.1932017-02-17 → 2017-02-17 · 4 obs

○ 2016-07-02 07:58:02
● 2017-02-17 02:54:52
○ 2026-02-23 10:41:06
○ 2026-03-27 05:47:36

●A198.71.233.612026-02-23 → 2026-03-27 · 3 obs

○ 2017-02-17 02:54:52
● 2026-02-23 10:41:06
● 2026-03-27 05:47:36

○A67.222.54.662015-08-19 → 2016-07-02 · 4 obs

● 2015-08-19 11:20:46
● 2016-07-02 07:58:02
○ 2017-02-17 02:54:52
○ 2026-03-27 05:47:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ptlengineering.com	ns51.worldnic.com, ns52.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.26.165

NS records: ns51.worldnic.com, ns52.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ptlengineering.com (unsigned zone)

⏱️ Timing

Total: 213ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`198.71.233.61`
NS	2	`ns52.worldnic.com, ns51.worldnic.com`
MX	1	`ptlengineering-com.mail.protection.outlo`
TXT	3	`v=spf1 include:spf.protection.outlook.co, q5pt0lem5ediorhh9gbrj4vjhu...`
SOA	1	`NS51.WORLDNIC.com namehost@WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns51.worldnic.com, ns52.worldnic.com)

Analysis

IP Addresses

ptlengineering.com resolves to one IP number: 198.71.233.61.

Other host names, for instance www.peakeventsaz.com, loganstampings.com, palmtreesantas.com, sixpaca.com and e-primary.com share IP numbers with ptlengineering.com.

Name Servers

ptlengineering.com's delegation uses two name servers: ns51.worldnic.com and ns52.worldnic.com.

ptlengineering.com uses the same name server setup as other domains, such as readingpublicmuseum.org, homesrealstate.com, safeguardselfstorage.info, gumbrand.net and mcfaddens.net.

ptlengineering.com at least partially shares name servers with other domains, for example groveware.com.

Host names with a single IP address: ns51.worldnic.com points to 162.159.26.165; ns52.worldnic.com points to 162.159.27.8.

Mail Servers

A single mail server handles ptlengineering.com, ptlengineering-com.mail.protection.outlook.com.

Host ptlengineering-com.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:c902::14, 2a01:111:f403:c91d::b, 2a01:111:f403:c927::1, 2a01:111:f403:c946::3, 52.101.10.2, 52.101.11.15, 52.101.42.16 and 52.101.194.17.

ptlengineering.com - robtex.com