`maildefer.mainscience.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns2.afternic.com` ⭐ ⚠️ Not in parent delegation
		A	2603:5:2226::45^{🇺🇸 GODADDY-DNS2603:5:2220::/44}
			PTR	`ns2.afternic.com`
		A	173.201.66.69^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns2.afternic.com`
NS	`ns1.afternic.com` ⚠️ Not in parent delegation
		A	2603:5:2126::45^{🇺🇸 GODADDY-DNS2603:5:2120::/44}
			PTR	`ns1.afternic.com`
		A	97.74.98.69^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns1.afternic.com`
TXT	`v=spf1 -all`
SOA	`ns2.afternic.com`dns@jomax.net serial=1

`mainscience.com`

	DNSSEC	⚠️ Not signed
	A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
	A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
	NS	`ns2.afternic.com` ⭐
	NS	`ns1.afternic.com`
	TXT	`v=spf1 -all`
	SOA	`ns2.afternic.com`dns@jomax.net serial=1

Similar names

DNS History

8 records (4 active, 4 former)

●NSns1.afternic.com2026-02-19 → 2026-03-26 · 3 obs

○ 2016-07-17 14:53:34
● 2026-02-19 07:15:28
● 2026-03-26 23:37:18

○NSns1.whypark.com2015-12-21 → 2016-07-17 · 4 obs

● 2015-12-21 03:53:10
● 2016-07-17 14:53:34
○ 2026-02-19 07:15:28
○ 2026-03-26 23:37:18

●NSns2.afternic.com2026-02-19 → 2026-03-26 · 3 obs

○ 2016-07-17 14:53:34
● 2026-02-19 07:15:28
● 2026-03-26 23:37:18

○NSns2.whypark.com2015-12-21 → 2016-07-17 · 4 obs

● 2015-12-21 03:53:10
● 2016-07-17 14:53:34
○ 2026-02-19 07:15:28
○ 2026-03-26 23:37:18

●A13.248.169.482026-02-19 → 2026-03-26 · 3 obs

○ 2016-07-17 14:53:34
● 2026-02-19 07:15:28
● 2026-03-26 23:37:18

○A192.64.147.1372015-12-21 → 2016-07-17 · 5 obs

○ 2015-08-21 07:43:30
● 2015-12-21 03:53:10
● 2016-07-17 14:53:34
○ 2026-02-19 07:15:28
○ 2026-03-26 23:37:18

○A74.117.117.1162015-08-21 → 2015-08-21 · 3 obs

● 2015-08-21 07:43:30
○ 2015-12-21 03:53:10
○ 2026-03-26 23:37:18

●A76.223.54.1462026-02-19 → 2026-03-26 · 3 obs

○ 2016-07-17 14:53:34
● 2026-02-19 07:15:28
● 2026-03-26 23:37:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net...	-
mainscience.com	ns1.afternic.com, ns2.afternic.com	4 records

✅ Authoritative Response

Server:173.201.66.69

NS records: ns1.afternic.com, ns2.afternic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mainscience.com (unsigned zone)

⏱️ Timing

Total: 329ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`76.223.54.146, 13.248.169.48`
NS	2	`ns1.afternic.com, ns2.afternic.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns2.afternic.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)

Analysis

IP Addresses

maildefer.mainscience.com resolves to two IP numbers: 13.248.169.48 and 76.223.54.146.

Other host names, for instance freeswap.net, steengineering.com, woodwaycapital.com, totalizm.com and terror.to share IP numbers with maildefer.mainscience.com.

Name Servers

maildefer.mainscience.com has two name servers: ns1.afternic.com and ns2.afternic.com.

maildefer.mainscience.com shares the same name server setup as other domains, for example kontorskraft.se.se, mail.cedarhollow.org, dns21.ispronet.com, wallsendlocksmith.com and 10-122-40-78.ig.steek.com.

maildefer.mainscience.com shares some name servers with other domains, for example thebuyboxx.com, proservice.me, chiungyao.com, spectro.world and zih.net.

These name servers are commonly used together with verification-q2yfbmuxrvnsdnaogqtqft.ns101.verify.hn and verification-edsrxuzbpbhq7wvagy5iaz.ns101.verify.hn.

Host names with two IP numbers:

ns1.afternic.com points to: 2603:5:2126::45 and 97.74.98.69; ns2.afternic.com points to: 2603:5:2226::45 and 173.201.66.69.

maildefer.mainscience.com - robtex.com