`gisdatascience.com`

DNSSEC	⚠️ Not signed
A	188.128.241.15^{🇵🇱 HOMEPL-AS188.128.192.0/18}
		PTR	`cloudserver139461.home.pl`
NS	`dns2.home.pl` ⭐
		A	2001:8d8:fe:53:6870::2^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`dns2.home.pl`
		A	217.160.81.248^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`dns2.home.pl`
NS	`dns.home.pl`
		A	2001:8d8:fe:53:6870::1^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`dns.home.pl`
		A	217.160.80.244^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`dns.home.pl`
NS	`dns3.home.pl`
		A	2607:f1c0:fe:53:185:132:34:251^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`dns3.home.pl`
		A	185.132.34.251^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`dns3.home.pl`
MX	`gisdatascience.com` ⭐
		A	188.128.241.15^{🇵🇱 HOMEPL-AS188.128.192.0/18}
			PTR	`cloudserver139461.home.pl`
TXT	`v=spf1 mx a ptr ~all`
SOA	`dns.home.pl`admin@home.pl serial=1570003809

`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=1778524296

MX for

gisdatascience.com

Same first word

gisdatascience.com

DNS History

10 records (5 active, 5 former)

●NSdns.home.pl2026-05-11 → 2026-05-11 · 2 obs

○ 2017-11-20 14:05:26
● 2026-05-11 18:47:50

●NSdns2.home.pl2026-05-11 → 2026-05-11 · 2 obs

○ 2017-11-20 14:05:26
● 2026-05-11 18:47:50

●NSdns3.home.pl2026-05-11 → 2026-05-11 · 2 obs

○ 2017-11-20 14:05:26
● 2026-05-11 18:47:50

○NSns57.domaincontrol.com2016-12-13 → 2017-11-20 · 3 obs

● 2016-12-13 18:03:16
● 2017-11-20 14:05:26
○ 2026-05-11 18:47:50

○NSns58.domaincontrol.com2016-12-13 → 2017-11-20 · 3 obs

● 2016-12-13 18:03:16
● 2017-11-20 14:05:26
○ 2026-05-11 18:47:50

●MXgisdatascience.com2026-05-11 → 2026-05-11 · 2 obs

○ 2017-11-20 14:05:26
● 2026-05-11 18:47:50

○MXmailstore1.secureserver.net2016-12-13 → 2017-11-20 · 3 obs

● 2016-12-13 18:03:16
● 2017-11-20 14:05:26
○ 2026-05-11 18:47:50

○MXsmtp.secureserver.net2016-12-13 → 2017-11-20 · 3 obs

● 2016-12-13 18:03:16
● 2017-11-20 14:05:26
○ 2026-05-11 18:47:50

○A184.168.221.522016-12-13 → 2017-11-20 · 3 obs

● 2016-12-13 18:03:16
● 2017-11-20 14:05:26
○ 2026-05-11 18:47:50

●A188.128.241.152026-05-11 → 2026-05-11 · 2 obs

○ 2017-11-20 14:05:26
● 2026-05-11 18:47:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net...	-
gisdatascience.com	dns.home.pl, dns2.home.pl, dns3.home.pl	-

✅ Authoritative Response

Server:185.132.34.251

NS records: dns.home.pl, dns2.home.pl, dns3.home.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gisdatascience.com (unsigned zone)

⏱️ Timing

Total: 711ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`188.128.241.15`
NS	3	`dns.home.pl, dns3.home.pl...`
MX	1	`gisdatascience.com (pri: 10)`
TXT	1	`v=spf1 mx a ptr ~all`
SOA	1	`dns.home.pl admin.home.pl`

Analysis

Mail Server Role

For gisdatascience.com, the mail server is gisdatascience.com.

IP Addresses

gisdatascience.com resolves to one IP number: 188.128.241.15.

Other host names, for instance cloudserver139461.home.pl, share IP numbers with gisdatascience.com.

Name Servers

gisdatascience.com is delegated to three name servers dns2.home.pl, dns3.home.pl and dns.home.pl.

gisdatascience.com at least partially shares name servers with other domains, for instance yellow-octopus.home.pl, pioinstal.pl, cloudserver000953.home.pl, cloudserver064862.home.pl and kudas.pl.

Host names with two IP numbers:

dns2.home.pl points to: 2001:8d8:fe:53:6870::2 and 217.160.81.248.

dns3.home.pl points to: 2607:f1c0:fe:53:185:132:34:251 and 185.132.34.251.

dns.home.pl points to: 2001:8d8:fe:53:6870::1 and 217.160.80.244.

Mail Servers

gisdatascience.com is served by a single mail server, gisdatascience.com.

gisdatascience.com resolves to IP 188.128.241.15.

gisdatascience.com - robtex.com