`sigmanualumni.com`

DNSSEC	⚠️ Not signed
A	66.39.154.47^{🇺🇸 AS785966.39.128.0/19 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203}
		PTR	`sigmanualumni.com`
NS	`ns514.pair.com` ⭐
		A	209.68.5.107^{🇺🇸 AS7859209.68.0.0/18}
			PTR	`laghu.pair.com`
NS	`ns8.ns0.com`
		A	216.146.195.14^{🇺🇸 AS7859216.146.192.0/19 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203}
			PTR	`ns8.ns0.com`
MX	`laghu.pair.com` ⭐
		A	2607:f440::d144:56b^{🇺🇸 AS78592607:f440::/32 Pair Networks, Inc. 2403 Sidney St. STE 210 Pittsburgh, PA 15203}
			PTR	`laghu.pair.com`
		A	209.68.5.107^{🇺🇸 AS7859209.68.0.0/18}
			PTR	`laghu.pair.com`
SOA	`ns514.pair.com`root@pair.com 2025-10-17 #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=1777355246

PTR for

47.154.39.66.in-addr.arpa

Same first word

sigmanualumni.com

DNS History

25 records (4 active, 21 former)

○NSdns1.registrar-servers.com2015-12-18 → 2016-07-25 · 5 obs

○ 2015-10-15 13:42:40
● 2015-12-18 16:10:24
● 2016-07-25 03:58:32
○ 2017-03-22 16:19:16
○ 2026-04-28 06:08:46

○NSdns2.registrar-servers.com2015-12-18 → 2016-07-25 · 5 obs

○ 2015-10-15 13:42:40
● 2015-12-18 16:10:24
● 2016-07-25 03:58:32
○ 2017-03-22 16:19:16
○ 2026-04-28 06:08:46

○NSdns3.registrar-servers.com2015-12-18 → 2016-07-25 · 5 obs

○ 2015-10-15 13:42:40
● 2015-12-18 16:10:24
● 2016-07-25 03:58:32
○ 2017-03-22 16:19:16
○ 2026-04-28 06:08:46

○NSdns4.registrar-servers.com2015-12-18 → 2016-07-25 · 5 obs

○ 2015-10-15 13:42:40
● 2015-12-18 16:10:24
● 2016-07-25 03:58:32
○ 2017-03-22 16:19:16
○ 2026-04-28 06:08:46

○NSdns5.registrar-servers.com2015-12-18 → 2016-07-25 · 5 obs

○ 2015-10-15 13:42:40
● 2015-12-18 16:10:24
● 2016-07-25 03:58:32
○ 2017-03-22 16:19:16
○ 2026-04-28 06:08:46

●NSns514.pair.com2017-03-22 → 2026-04-28 · 3 obs

○ 2016-07-25 03:58:32
● 2017-03-22 16:19:16
● 2026-04-28 06:08:46

○NSns77.domaincontrol.com2015-05-24 → 2015-05-24 · 3 obs

● 2015-05-24 15:11:08
○ 2015-10-15 13:42:40
○ 2026-04-28 06:08:46

○NSns78.domaincontrol.com2015-05-24 → 2015-05-24 · 3 obs

● 2015-05-24 15:11:08
○ 2015-10-15 13:42:40
○ 2026-04-28 06:08:46

●NSns8.ns0.com2017-03-22 → 2026-04-28 · 3 obs

○ 2016-07-25 03:58:32
● 2017-03-22 16:19:16
● 2026-04-28 06:08:46

○MXeforward1.registrar-servers.com2015-12-18 → 2016-07-25 · 5 obs

○ 2015-10-15 13:42:40
● 2015-12-18 16:10:24
● 2016-07-25 03:58:32
○ 2017-03-22 16:19:16
○ 2026-04-28 06:08:46

○MXeforward2.registrar-servers.com2015-12-18 → 2016-07-25 · 5 obs

○ 2015-10-15 13:42:40
● 2015-12-18 16:10:24
● 2016-07-25 03:58:32
○ 2017-03-22 16:19:16
○ 2026-04-28 06:08:46

○MXeforward3.registrar-servers.com2015-12-18 → 2016-07-25 · 5 obs

○ 2015-10-15 13:42:40
● 2015-12-18 16:10:24
● 2016-07-25 03:58:32
○ 2017-03-22 16:19:16
○ 2026-04-28 06:08:46

○MXeforward4.registrar-servers.com2015-12-18 → 2016-07-25 · 5 obs

○ 2015-10-15 13:42:40
● 2015-12-18 16:10:24
● 2016-07-25 03:58:32
○ 2017-03-22 16:19:16
○ 2026-04-28 06:08:46

○MXeforward5.registrar-servers.com2015-12-18 → 2016-07-25 · 5 obs

○ 2015-10-15 13:42:40
● 2015-12-18 16:10:24
● 2016-07-25 03:58:32
○ 2017-03-22 16:19:16
○ 2026-04-28 06:08:46

●MXlaghu.pair.com2017-03-22 → 2026-04-28 · 3 obs

○ 2016-07-25 03:58:32
● 2017-03-22 16:19:16
● 2026-04-28 06:08:46

○MXmailstore1.secureserver.net2015-05-24 → 2015-05-24 · 3 obs

● 2015-05-24 15:11:08
○ 2015-10-15 13:42:40
○ 2026-04-28 06:08:46

○MXsmtp.secureserver.net2015-05-24 → 2015-05-24 · 3 obs

● 2015-05-24 15:11:08
○ 2015-10-15 13:42:40
○ 2026-04-28 06:08:46

○A162.255.119.2492016-03-17 → 2016-07-25 · 5 obs

○ 2015-12-18 16:10:24
● 2016-03-17 14:28:32
● 2016-07-25 03:58:32
○ 2017-03-22 16:19:16
○ 2026-04-28 06:08:46

○A162.255.119.2512015-12-18 → 2015-12-18 · 4 obs

○ 2015-10-15 13:42:40
● 2015-12-18 16:10:24
○ 2016-03-17 14:28:32
○ 2026-04-28 06:08:46

○A184.168.221.192015-05-24 → 2015-05-24 · 3 obs

● 2015-05-24 15:11:08
○ 2015-10-15 13:42:40
○ 2026-04-28 06:08:46

○A216.239.32.212016-03-17 → 2016-07-25 · 5 obs

○ 2015-12-18 16:10:24
● 2016-03-17 14:28:32
● 2016-07-25 03:58:32
○ 2017-03-22 16:19:16
○ 2026-04-28 06:08:46

○A216.239.34.212016-03-17 → 2016-07-25 · 5 obs

○ 2015-12-18 16:10:24
● 2016-03-17 14:28:32
● 2016-07-25 03:58:32
○ 2017-03-22 16:19:16
○ 2026-04-28 06:08:46

○A216.239.36.212016-03-17 → 2016-07-25 · 5 obs

○ 2015-12-18 16:10:24
● 2016-03-17 14:28:32
● 2016-07-25 03:58:32
○ 2017-03-22 16:19:16
○ 2026-04-28 06:08:46

○A216.239.38.212016-03-17 → 2016-07-25 · 5 obs

○ 2015-12-18 16:10:24
● 2016-03-17 14:28:32
● 2016-07-25 03:58:32
○ 2017-03-22 16:19:16
○ 2026-04-28 06:08:46

●A66.39.154.472017-03-22 → 2026-04-28 · 3 obs

○ 2016-07-25 03:58:32
● 2017-03-22 16:19:16
● 2026-04-28 06:08:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net...	-
sigmanualumni.com	ns514.pair.com, ns8.ns0.com	4 records

✅ Authoritative Response

Server:209.68.5.107

NS records: ns514.pair.com, ns8.ns0.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sigmanualumni.com (unsigned zone)

⏱️ Timing

Total: 307ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`66.39.154.47`
NS	2	`ns8.ns0.com, ns514.pair.com`
MX	1	`laghu.pair.com (pri: 50)`
SOA	1	`ns514.pair.com root.pair.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns514.pair.com, ns514.pair.com, ns8.ns0.com...)

Analysis

IP Addresses

sigmanualumni.com points to a single IP: 66.39.154.47.

Name Servers

sigmanualumni.com's delegation is to two name servers ns8.ns0.com and ns514.pair.com.

sigmanualumni.com shares the same name server setup as other domains, for example cubanow.us, owlinc.org and sonjahyde.com.

sigmanualumni.com at least partially shares its name servers with other domains, for instance charitableregistration.com, rwwardcarpentry.com, pre-preschoolwithpolly.com, wonderlustmusic.com and mortgagecalculator.uk.

These name servers are commonly used with ns6.ns0.com, dns3.pair.com, dns4.pair.com, dns.pair.com, ns427.pair.com, ns5.ns0.com, ns2.quickserve.com, ns00.ns0.com, ns503.pair.com and ns7.ns0.com.

Host names with a single IP:

ns8.ns0.com resolves to 216.146.195.14.

ns514.pair.com resolves to 209.68.5.107.

Mail Servers

sigmanualumni.com is served by a single mail server, laghu.pair.com.

sigmanualumni.com uses the same mail server setup as other domains such as cycle-stickers.com, truehealthclinic.net, ceremoniesbyalison.com, terrygenesenbecker.com and verdugosbeachresort.com.

Hostname laghu.pair.com resolves to two IPs: 2607:f440::d144:56b and 209.68.5.107.

sigmanualumni.com - robtex.com