`excelcoursesonline.com`

DNSSEC	⚠️ Not signed
A	216.92.226.243^{🇺🇸 AS7859216.92.0.0/16 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203}
		PTR	`excelcoursesonline.com`
NS	`dns.pair.com` ⭐
		A	2607:f440::d144:5f6^{🇺🇸 AS78592607:f440::/32 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203}
			PTR	`dns.pair.com`
		A	209.68.5.246^{🇺🇸 AS7859209.68.0.0/18}
			PTR	`dns.pair.com`
NS	`ns8.ns0.com`
MX	`mail1.g4.pair.com` ⭐
		A	2607:f440::4227:377^{🇺🇸 AS78592607:f440::/32 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203}
			PTR	`mail1.g4.pair.com`
		A	66.39.3.119^{🇺🇸 AS785966.39.0.0/17 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203}
			PTR	`mail1.g4.pair.com`
SOA	`dns.pair.com`root@pair.com 2026-03-02 #4

`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=1774471447

PTR for

243.226.92.216.in-addr.arpa

Same first word

excelcoursesonline.com

DNS History

4 records (4 active, 0 former)

●NSdns.pair.com2015-05-24 → 2026-03-25 · 2 obs

● 2015-05-24 09:53:20
● 2026-03-25 21:00:34

●NSns8.ns0.com2015-05-24 → 2026-03-25 · 2 obs

● 2015-05-24 09:53:20
● 2026-03-25 21:00:34

●MXmail1.g4.pair.com2015-05-24 → 2026-03-25 · 2 obs

● 2015-05-24 09:53:20
● 2026-03-25 21:00:34

●A216.92.226.2432015-05-24 → 2026-03-25 · 2 obs

● 2015-05-24 09:53:20
● 2026-03-25 21:00:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net...	-
excelcoursesonline.com	dns.pair.com, ns8.ns0.com	4 records

✅ Authoritative Response

Server:209.68.5.246

NS records: dns.pair.com, ns8.ns0.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for excelcoursesonline.com (unsigned zone)

⏱️ Timing

Total: 319ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.92.226.243`
NS	2	`dns.pair.com, ns8.ns0.com`
MX	1	`mail1.g4.pair.com (pri: 50)`
SOA	1	`dns.pair.com root.pair.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns.pair.com, dns.pair.com, ns8.ns0.com...)

Analysis

IP Addresses

excelcoursesonline.com points to a single IP address: 216.92.226.243.

Name Servers

Two name servers ns8.ns0.com and dns.pair.com handle the delegation for excelcoursesonline.com.

excelcoursesonline.com shares the same name server setup as other domains, for example xnetdigital.de, carterpanels.com, cpuforums.org, wallenspeaks.com and clearviewcommunitytheatre.ca.

excelcoursesonline.com at least partially shares name servers with other domains, for example carterburwell.com, 3dcombine.com, ourbigbearcitycabin.com, winwaed.com and bournesportsturf.com.

These name servers are often used with the following name servers: ns7.ns0.com, dns4.pair.com, dns3.pair.com, ns0.ns0.com, ns2.quickserve.com, ns6.ns0.com, ns518.pair.com and ns528.pair.com.

Host names with two IP numbers:

dns.pair.com points to 2607:f440::d144:5f6 and 209.68.5.246

Mail Servers

The mail1.g4.pair.com mail server handles excelcoursesonline.com.

excelcoursesonline.com shares the same mail server setup as other domains, including apoleon.com, deaflibrary.org, nemostar.pairsite.com, nickshere.com and askmewhooo.com.

mail1.g4.pair.com points to two IP numbers: 2607:f440::4227:377 and 66.39.3.119.

excelcoursesonline.com - robtex.com