`ip-engineering.com`

DNSSEC	⚠️ Not signed
A	66.39.6.146^{🇺🇸 AS785966.39.0.0/17 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203}
		PTR	`ip-engineering.com`
NS	`dns4.pair.com` ⭐
		A	2607:f440::d85c:fc0a^{🇺🇸 AS78592607:f440::/32 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203}
			PTR	`dns4.pair.com`
		A	216.92.252.10^{🇺🇸 AS7859216.92.0.0/16 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203}
			PTR	`dns4.pair.com`
NS	`ns9.ns0.com`
		A	2607:f441::d892:c124^{🇺🇸 AS78592607:f441::/32 Pair Networks, Inc. 2403 Sidney St STE 210 Pittsburgh PA 15203 United States}
MX	`mailwash59.pair.com` ⭐
		A	2607:f440::4227:23b^{🇺🇸 AS78592607:f440::/32 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203}
		A	66.39.2.59^{🇺🇸 AS785966.39.0.0/17 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203}
			PTR	`mailwash59.pair.com`
TXT	`google-site-verification=s6E4QpkN7QnVLQUes21B7J3j_GK4sfubJAraZ7jPY2I`
TXT	`v=spf1 include:webmail.pair.com include:relay.pair.com include:pairlist.com a...`
TXT	`7727559c-5757-4bf7-af33-fbda20f3e62b`
TXT	`facebook-domain-verification=fhfunih74r766884zll9541npogenh`
SOA	`dns4.pair.com`root@pair.com 2026-03-17 #13

`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=1774372982

PTR for

146.6.39.66.in-addr.arpa

Same first word

ip-engineering.com

DNS History

15 records (4 active, 11 former)

●NSdns4.pair.com2026-03-24 → 2026-03-24 · 2 obs

○ 2017-03-17 02:57:56
● 2026-03-24 17:48:04

○NSns1.webjuice.tv2016-06-26 → 2016-06-26 · 4 obs

○ 2016-02-26 19:54:08
● 2016-06-26 19:16:18
○ 2017-03-17 02:57:56
○ 2026-03-24 17:48:04

○NSns1626.ztomy.com2017-03-17 → 2017-03-17 · 3 obs

○ 2016-06-26 19:16:18
● 2017-03-17 02:57:56
○ 2026-03-24 17:48:04

○NSns2.webjuice.tv2016-06-26 → 2016-06-26 · 4 obs

○ 2016-02-26 19:54:08
● 2016-06-26 19:16:18
○ 2017-03-17 02:57:56
○ 2026-03-24 17:48:04

○NSns2626.ztomy.com2017-03-17 → 2017-03-17 · 3 obs

○ 2016-06-26 19:16:18
● 2017-03-17 02:57:56
○ 2026-03-24 17:48:04

○NSns5.webcontrolcenter.com2015-06-26 → 2016-02-26 · 4 obs

● 2015-06-26 18:56:04
● 2016-02-26 19:54:08
○ 2016-06-26 19:16:18
○ 2026-03-24 17:48:04

○NSns6.webcontrolcenter.com2015-06-26 → 2016-02-26 · 4 obs

● 2015-06-26 18:56:04
● 2016-02-26 19:54:08
○ 2016-06-26 19:16:18
○ 2026-03-24 17:48:04

●NSns9.ns0.com2026-03-24 → 2026-03-24 · 2 obs

○ 2017-03-17 02:57:56
● 2026-03-24 17:48:04

○MXipengineering-com0e.mail.eo.outlook.com2015-06-26 → 2016-06-26 · 4 obs

● 2015-06-26 18:56:04
● 2016-06-26 19:16:18
○ 2017-03-17 02:57:56
○ 2026-03-24 17:48:04

●MXmailwash59.pair.com2026-03-24 → 2026-03-24 · 2 obs

○ 2017-03-17 02:57:56
● 2026-03-24 17:48:04

○A134.119.2.772015-06-26 → 2016-02-26 · 4 obs

● 2015-06-26 18:56:04
● 2016-02-26 19:54:08
○ 2016-06-26 19:16:18
○ 2026-03-24 17:48:04

○A204.11.56.482017-03-17 → 2017-03-17 · 3 obs

○ 2016-06-26 19:16:18
● 2017-03-17 02:57:56
○ 2026-03-24 17:48:04

●A66.39.6.1462026-03-24 → 2026-03-24 · 2 obs

○ 2017-03-17 02:57:56
● 2026-03-24 17:48:04

○A88.198.6.1062016-06-26 → 2016-06-26 · 4 obs

○ 2016-02-26 19:54:08
● 2016-06-26 19:16:18
○ 2017-03-17 02:57:56
○ 2026-03-24 17:48:04

○PTRns1626.ztomy.com2017-03-17 → 2017-03-17 · 2 obs

● 2017-03-17 02:57:56
○ 2026-03-24 17:48:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ip-engineering.com	dns4.pair.com, ns9.ns0.com	4 records

✅ Authoritative Response

Server:216.92.252.10

NS records: dns4.pair.com, ns9.ns0.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ip-engineering.com (unsigned zone)

⏱️ Timing

Total: 168ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`66.39.6.146`
NS	2	`ns9.ns0.com, dns4.pair.com`
MX	1	`mailwash59.pair.com (pri: 50)`
TXT	4	`google-site-verification=s6E4QpkN7QnVLQU, v=spf1 include:webmail.pair.com include:...`
SOA	1	`dns4.pair.com root.pair.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns4.pair.com, dns4.pair.com, ns9.ns0.com...)

Analysis

IP Addresses

ip-engineering.com resolves to one IP number: 66.39.6.146.

other host names including tunnelventilation.pro, tunnelventilation.at, ilg-engineering.ch, tunnelventilation.org and ilg-engineering.com share IP numbers with ip-engineering.com.

Name Servers

ip-engineering.com is delegated to two name servers ns9.ns0.com and dns4.pair.com.

ip-engineering.com shares the same name server setup as other domains, for instance pawitforwardnyc.com, acoustilog.com, seafret.net, manifest-tech.com and baxtermonroe.com.

ip-engineering.com at least partially shares name servers with other domains, for instance brandtechnology.de, tinycon.org, willowhillbooks.com, baliharmonyvilla.com and astoryaweek.com.

These name servers are commonly used with ns8.ns0.com, ns7.ns0.com, ns2.quickserve.com, ns0.ns0.com and dns.pair.com.

Two IP numbers for a host: dns4.pair.com points to 2607:f440::d85c:fc0a and 216.92.252.10.

One IP number for a host: ns9.ns0.com points to 2607:f441::d892:c124.

Mail Servers

ip-engineering.com is handled by a single mail server, mailwash59.pair.com.

ip-engineering.com shares the same mail server setup as other domains, for instance aamf.net, mobilepcworld.net, hyperable.com, breknridgefarm.com and xemcas.org.

mailwash59.pair.com resolves to two IP numbers: 2607:f440::4227:23b and 66.39.2.59.

ip-engineering.com - robtex.com