`seo-masterclass.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`ip-13-248-169-48.defastlink.net`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns2.afternic.com` ⭐
		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`
		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

`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=1776071472

Same first word

seo-masterclass.com

DNS History

8 records (4 active, 4 former)

○NSns.mainnameserver.com2015-06-21 → 2017-05-24 · 4 obs

● 2015-06-21 04:32:06
● 2017-05-24 16:49:50
○ 2026-03-09 04:01:20
○ 2026-04-13 09:28:36

●NSns1.afternic.com2026-03-09 → 2026-04-13 · 3 obs

○ 2017-05-24 16:49:50
● 2026-03-09 04:01:20
● 2026-04-13 09:28:36

●NSns2.afternic.com2026-03-09 → 2026-04-13 · 3 obs

○ 2017-05-24 16:49:50
● 2026-03-09 04:01:20
● 2026-04-13 09:28:36

○NSns2.mainnameserver.com2015-06-21 → 2017-05-24 · 4 obs

● 2015-06-21 04:32:06
● 2017-05-24 16:49:50
○ 2026-03-09 04:01:20
○ 2026-04-13 09:28:36

○MXmail.seo-masterclass.com2015-06-21 → 2017-05-24 · 4 obs

● 2015-06-21 04:32:06
● 2017-05-24 16:49:50
○ 2026-03-09 04:01:20
○ 2026-04-13 09:28:36

●A13.248.169.482026-03-09 → 2026-04-13 · 3 obs

○ 2017-05-24 16:49:50
● 2026-03-09 04:01:20
● 2026-04-13 09:28:36

●A76.223.54.1462026-03-09 → 2026-04-13 · 3 obs

○ 2017-05-24 16:49:50
● 2026-03-09 04:01:20
● 2026-04-13 09:28:36

○A79.170.40.1722015-06-21 → 2017-05-24 · 4 obs

● 2015-06-21 04:32:06
● 2017-05-24 16:49:50
○ 2026-03-09 04:01:20
○ 2026-04-13 09:28:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
seo-masterclass.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 seo-masterclass.com (unsigned zone)

⏱️ Timing

Total: 121ms | 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

seo-masterclass.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.

Other host names, for instance compass.house, pagalwarld.co, mailserver.events4us.com, maryandco.com and kitchenking.net share IP numbers with seo-masterclass.com.

Name Servers

Delegation for seo-masterclass.com rests with two name servers, ns1.afternic.com and ns2.afternic.com.

seo-masterclass.com shares the same name server setup as other domains, including bermondseystreet.com, houstoninternetdirectory.com, savantsalon.com, bisangu.com and toolhaven.com.

seo-masterclass.com at least partially shares name servers with other domains, for instance steadyimprovement.com, assign.us, speedav.com, hpkb.com and growmoney.net.

These name servers are often used together with verification-d3jclucsp89ganyqbydeny.ns101.verify.hn, verification-ag3xtxqjhqhiyarqdrht2l.ns101.verify.hn, icb2qmtiyxwj5bdrjzhwrf.ns101.verify.hn, ns1.aftermarket.com and ns2.aftermarket.com.

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.

seo-masterclass.com - robtex.com