`coursific.com`

DNSSEC	⚠️ Not signed
A	2a02:4780:4a:270c:3bca:5d8e:af7b:6d90^{🇨🇾 IIHOS0012a02:4780:4a::/48 HOSTINGER US}
A	2a02:4780:4b:7145:ca8f:302c:89e3:15c0^{🇨🇾 IIHOS0012a02:4780:4b::/48 HOSTINGER-US}
A	145.223.124.128^{🇳🇱 IIHOS001145.223.120.0/21 HOSTINGER US}
A	147.79.72.76^{🇺🇸 IIHOS001147.79.72.0/21 HOSTINGER US}
NS	`ns1.dns-parking.com` ⭐
		A	2400:cb00:2049:1::a29f:18c9^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.24.201^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dns-parking.com`
NS	`ns2.dns-parking.com`
		A	2400:cb00:2049:1::a29f:192a^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.25.42^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dns-parking.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c08::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f26.1e100.net`
		A	2607:f8b0:4004:c08::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f27.1e100.net`
		A	2607:f8b0:4004:c0b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f26.1e100.net`
		A	2607:f8b0:4004:c0b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f27.1e100.net`
		A	142.250.31.26^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f26.1e100.net`
		A	142.250.31.27^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f27.1e100.net`
		A	142.251.111.27^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.63.26^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f26.1e100.net`
		A	172.253.63.27^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f27.1e100.net`
TXT	`google-site-verification=iepzcM3FfN6HoyRXGM0bVVsNrHlJi_Pva8Ngo_gDRkI`
SOA	`ns1.dns-parking.com`dns@hostinger.com 2026-04-09 #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=1776176232

Same first word

coursific.com

Similar names

fioruccis.com

DNS History

31 records (7 active, 24 former)

●NSns1.dns-parking.com2026-04-05 → 2026-04-14 · 2 obs

● 2026-04-05 19:10:06
● 2026-04-14 14:34:12

●NSns2.dns-parking.com2026-04-05 → 2026-04-14 · 2 obs

● 2026-04-05 19:10:06
● 2026-04-14 14:34:12

●MXsmtp.google.com2026-04-05 → 2026-04-14 · 2 obs

● 2026-04-05 19:10:06
● 2026-04-14 14:34:12

●A145.223.124.1282026-04-14 → 2026-04-14 · 2 obs

○ 2026-04-13 23:02:06
● 2026-04-14 14:34:12

○A145.223.124.42026-04-13 → 2026-04-13 · 3 obs

○ 2026-04-10 03:47:12
● 2026-04-13 23:02:06
○ 2026-04-14 14:34:12

○A147.79.120.2172026-04-05 → 2026-04-05 · 3 obs

● 2026-04-05 19:10:06
○ 2026-04-06 21:22:06
○ 2026-04-14 14:34:12

●A147.79.72.762026-04-14 → 2026-04-14 · 2 obs

○ 2026-04-13 23:02:06
● 2026-04-14 14:34:12

○A191.101.104.1202026-04-08 → 2026-04-08 · 4 obs

○ 2026-04-06 21:22:06
● 2026-04-08 11:05:28
○ 2026-04-09 09:05:16
○ 2026-04-14 14:34:12

○A191.101.104.2012026-04-09 → 2026-04-09 · 4 obs

○ 2026-04-08 11:05:28
● 2026-04-09 09:05:16
○ 2026-04-10 03:47:12
○ 2026-04-14 14:34:12

○A191.96.144.112026-04-06 → 2026-04-06 · 4 obs

○ 2026-04-05 19:10:06
● 2026-04-06 21:22:06
○ 2026-04-08 11:05:28
○ 2026-04-14 14:34:12

○A191.96.144.2402026-04-09 → 2026-04-09 · 4 obs

○ 2026-04-08 11:05:28
● 2026-04-09 09:05:16
○ 2026-04-10 03:47:12
○ 2026-04-14 14:34:12

○A195.35.60.42026-04-08 → 2026-04-08 · 4 obs

○ 2026-04-06 21:22:06
● 2026-04-08 11:05:28
○ 2026-04-09 09:05:16
○ 2026-04-14 14:34:12

○A195.35.60.612026-04-06 → 2026-04-06 · 4 obs

○ 2026-04-05 19:10:06
● 2026-04-06 21:22:06
○ 2026-04-08 11:05:28
○ 2026-04-14 14:34:12

○A195.35.60.952026-04-10 → 2026-04-10 · 4 obs

○ 2026-04-09 09:05:16
● 2026-04-10 03:47:12
○ 2026-04-13 23:02:06
○ 2026-04-14 14:34:12

○A212.1.212.1992026-04-10 → 2026-04-10 · 4 obs

○ 2026-04-09 09:05:16
● 2026-04-10 03:47:12
○ 2026-04-13 23:02:06
○ 2026-04-14 14:34:12

○A2a02:4780:1d:8cc1:42fd:7e9:2b00:37382026-04-08 → 2026-04-08 · 4 obs

○ 2026-04-06 21:22:06
● 2026-04-08 11:05:28
○ 2026-04-09 09:05:16
○ 2026-04-14 14:34:12

○A2a02:4780:1d:968d:3c51:c8a:560c:92f22026-04-09 → 2026-04-09 · 4 obs

○ 2026-04-08 11:05:28
● 2026-04-09 09:05:16
○ 2026-04-10 03:47:12
○ 2026-04-14 14:34:12

○A2a02:4780:1d:9a6b:6fb9:b980:5872:389a2026-04-06 → 2026-04-06 · 4 obs

○ 2026-04-05 19:10:06
● 2026-04-06 21:22:06
○ 2026-04-08 11:05:28
○ 2026-04-14 14:34:12

○A2a02:4780:1e:2869:7e9c:cbbf:3dc6:fad82026-04-08 → 2026-04-08 · 4 obs

○ 2026-04-06 21:22:06
● 2026-04-08 11:05:28
○ 2026-04-09 09:05:16
○ 2026-04-14 14:34:12

○A2a02:4780:1e:4882:9704:1610:e1b9:c4792026-04-06 → 2026-04-06 · 4 obs

○ 2026-04-05 19:10:06
● 2026-04-06 21:22:06
○ 2026-04-08 11:05:28
○ 2026-04-14 14:34:12

○A2a02:4780:21:9d1d:b830:f5ec:d343:37e62026-04-10 → 2026-04-10 · 4 obs

○ 2026-04-09 09:05:16
● 2026-04-10 03:47:12
○ 2026-04-13 23:02:06
○ 2026-04-14 14:34:12

○A2a02:4780:22:2e5c:d7b3:ba56:ce0b:ee8f2026-04-09 → 2026-04-09 · 4 obs

○ 2026-04-08 11:05:28
● 2026-04-09 09:05:16
○ 2026-04-10 03:47:12
○ 2026-04-14 14:34:12

○A2a02:4780:22:a0ed:90b8:332a:231e:3652026-04-10 → 2026-04-10 · 4 obs

○ 2026-04-09 09:05:16
● 2026-04-10 03:47:12
○ 2026-04-13 23:02:06
○ 2026-04-14 14:34:12

●A2a02:4780:4a:270c:3bca:5d8e:af7b:6d902026-04-14 → 2026-04-14 · 2 obs

○ 2026-04-13 23:02:06
● 2026-04-14 14:34:12

●A2a02:4780:4b:7145:ca8f:302c:89e3:15c02026-04-14 → 2026-04-14 · 2 obs

○ 2026-04-13 23:02:06
● 2026-04-14 14:34:12

○A2a02:4780:4c:a00:bca9:8f5e:848:12a92026-04-13 → 2026-04-13 · 3 obs

○ 2026-04-10 03:47:12
● 2026-04-13 23:02:06
○ 2026-04-14 14:34:12

○A2a02:4780:4d:3efc:880c:6ec:327c:f05c2026-04-13 → 2026-04-13 · 3 obs

○ 2026-04-10 03:47:12
● 2026-04-13 23:02:06
○ 2026-04-14 14:34:12

○A2a02:4780:4f:a0d1:a4d:95cf:b6f7:4ed52026-04-05 → 2026-04-05 · 3 obs

● 2026-04-05 19:10:06
○ 2026-04-06 21:22:06
○ 2026-04-14 14:34:12

○A2a02:4780:50:9938:961f:eaa5:688d:a6362026-04-05 → 2026-04-05 · 3 obs

● 2026-04-05 19:10:06
○ 2026-04-06 21:22:06
○ 2026-04-14 14:34:12

○A88.223.87.2382026-04-13 → 2026-04-13 · 3 obs

○ 2026-04-10 03:47:12
● 2026-04-13 23:02:06
○ 2026-04-14 14:34:12

○A92.112.198.02026-04-05 → 2026-04-05 · 3 obs

● 2026-04-05 19:10:06
○ 2026-04-06 21:22:06
○ 2026-04-14 14:34:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net...	-
coursific.com	ns1.dns-parking.com, ns2.dns-parking.com	4 records

✅ Authoritative Response

Server:162.159.25.42

NS records: ns1.dns-parking.com, ns2.dns-parking.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursific.com (unsigned zone)

⏱️ Timing

Total: 200ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`147.79.79.38, 147.79.72.220`
AAAA	2	`2a02:4780:4d:7e1:9798:daad:da13:beeb, 2a02:4780:4a:b7b4:c945:3867:ff08:5e05`
NS	2	`ns2.dns-parking.com, ns1.dns-parking.com`
MX	1	`SMTP.GOOGLE.com (pri: 1)`
TXT	1	`google-site-verification=iepzcM3FfN6HoyR`
SOA	1	`ns1.dns-parking.com dns.hostinger.com`

📌 Glue Records Collected

Total: 4

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

Analysis

IP Addresses

coursific.com refers to four IP numbers: 2a02:4780:4a:270c:3bca:5d8e:af7b:6d90, 2a02:4780:4b:7145:ca8f:302c:89e3:15c0, 145.223.124.128 and 147.79.72.76.

Other host names, for instance mukto.org.cdn.hstgr.net, consultoriaandrade.com.br, frestine.com, hedaracks.com.cdn.hstgr.net and mdtechservices.com share IP numbers with coursific.com.

Name Servers

coursific.com's delegation uses two name servers: ns1.dns-parking.com and ns2.dns-parking.com.

coursific.com uses the same name server setup as other domains, such as 7starmedtech.in, adityagyan.com, mahalaxmi.net.in, theoner.com and garotamania.com.br.

coursific.com at least partially shares name servers with other domains, for example brandplenty.com.

Host names with two IPs:

ns1.dns-parking.com points to 2400:cb00:2049:1::a29f:18c9 and 162.159.24.201

ns2.dns-parking.com points to 2400:cb00:2049:1::a29f:192a and 162.159.25.42

Mail Servers

A single mail server handles coursific.com, smtp.google.com.

coursific.com shares the same mail server setup as other domains, for instance elegy.it, profession-sage-femme.fr, saltproduction.com, investhome.com and cleansiteusa.com.

coursific.com shares at least some mail servers with other domains, for example hr-xp.com, u-control.co, frillneckframes.com.au, ites.be and pei-e.com.

These mail servers are commonly used with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Hostname smtp.google.com points to nine IP numbers: 2607:f8b0:4004:c08::1a, 2607:f8b0:4004:c08::1b, 2607:f8b0:4004:c0b::1a, 2607:f8b0:4004:c0b::1b, 142.250.31.26, 142.250.31.27, 142.251.111.27, 172.253.63.26 and 172.253.63.27.

coursific.com - robtex.com

coursific.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`coursific.com`

`com`