robertstech.com - dns.ninja

`robertstech.com`

DNSSEC	⚠️ Not signed
A	216.92.231.4^{🇺🇸 AS7859216.92.0.0/16 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203}
		PTR	`robertstech.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	216.146.193.36^{🇺🇸 AS7859216.146.192.0/19 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203}
			PTR	`ns9.ns0.com`
MX	`mail5.g24.pair.com` ⭐
		A	2607:f440::4227:8b24^{🇺🇸 AS78592607:f440::/32 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203}
			PTR	`mail5.g24.pair.com`
		A	66.39.139.36^{🇺🇸 AS785966.39.128.0/19 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203}
			PTR	`mail5.g24.pair.com`
TXT	`v=spf1 include:webmail.pair.com include:relay.pair.com include:pairlist.com a...`
SOA	`dns4.pair.com`root@pair.com 2025-11-18 #19

`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=1780977356

WOT: SAFE (86/100)

PTR for

4.231.92.216.in-addr.arpa

86.105.92.216.in-addr.arpa

Subdomains

mail.robertstech.com

www.robertstech.com

Same first word

robertstech.net

robertstech.com

DNS History

10 records (4 active, 6 former)

●NSdns4.pair.com2026-03-01 → 2026-06-09 · 3 obs

○ 2017-05-22 21:53:16
● 2026-03-01 03:16:10
● 2026-06-09 04:25:46

○NSns451.pair.com2009-01-12 → 2017-05-22 · 4 obs

● 2009-01-12 22:23:24
● 2017-05-22 21:53:16
○ 2026-03-01 03:16:10
○ 2026-06-09 04:25:46

○NSns5.ns0.com2009-01-12 → 2017-05-22 · 4 obs

● 2009-01-12 22:23:24
● 2017-05-22 21:53:16
○ 2026-03-01 03:16:10
○ 2026-06-09 04:25:46

●NSns9.ns0.com2026-03-01 → 2026-06-09 · 3 obs

○ 2017-05-22 21:53:16
● 2026-03-01 03:16:10
● 2026-06-09 04:25:46

○MXmail.robertstech.com2009-01-12 → 2009-01-12 · 3 obs

● 2009-01-12 22:23:24
○ 2015-05-19 04:29:36
○ 2026-06-09 04:25:46

●MXmail5.g24.pair.com2026-03-01 → 2026-06-09 · 3 obs

○ 2017-05-22 21:53:16
● 2026-03-01 03:16:10
● 2026-06-09 04:25:46

○MXmailwash47.pair.com2015-05-19 → 2017-05-22 · 5 obs

○ 2009-01-12 22:23:24
● 2015-05-19 04:29:36
● 2017-05-22 21:53:16
○ 2026-03-01 03:16:10
○ 2026-06-09 04:25:46

○A216.146.205.2142009-01-12 → 2009-01-12 · 3 obs

● 2009-01-12 22:23:24
○ 2015-05-19 04:29:36
○ 2026-06-09 04:25:46

○A216.92.105.862015-05-19 → 2017-05-22 · 5 obs

○ 2009-01-12 22:23:24
● 2015-05-19 04:29:36
● 2017-05-22 21:53:16
○ 2026-03-01 03:16:10
○ 2026-06-09 04:25:46

●A216.92.231.42026-03-01 → 2026-06-09 · 3 obs

○ 2017-05-22 21:53:16
● 2026-03-01 03:16:10
● 2026-06-09 04:25:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net...	-
robertstech.com	dns4.pair.com, ns9.ns0.com	4 records

✅ Authoritative Response

Server:216.146.193.36

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for robertstech.com (unsigned zone)

⏱️ Timing

Total: 259ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.92.231.4`
NS	2	`dns4.pair.com, ns9.ns0.com`
MX	1	`mail5.g24.pair.com (pri: 50)`
TXT	1	`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

Hierarchy

robertstech.com is the parent domain of mail.robertstech.com and www.robertstech.com.

IP Addresses

robertstech.com points to a single IP number: 216.92.231.4.

Name Servers

robertstech.com has two authoritative name servers — ns9.ns0.com and dns4.pair.com.

robertstech.com shares its name server setup with other domains, including garygen.com, bontif.com, carbuyin.pairsite.com and two others.

At least some of robertstech.com's name servers are shared with other domains, for example mousescoop.com, arcflashprint.com, bible-topics.com and two more.

These name servers are frequently used alongside name servers ns2.quickserve.com, ns8.ns0.com, ns7.ns0.com and five others.

Host names with two IP numbers:

dns4.pair.com resolves to 216.92.252.10 and 2607:f440::d85c:fc0a.

Host names with one IP number:

ns9.ns0.com resolves to 216.146.193.36.

Mail Servers

robertstech.com has one mail server: mail5.g24.pair.com.

robertstech.com shares the same mail server setup as other domains, including lingref.com, wienerworldpittsburgh.com, oldmp.com and two others.

mail5.g24.pair.com directs to two IP numbers, 66.39.139.36 and 2607:f440::4227:8b24.