groupsrs.com - dns.ninja

`groupsrs.com`

DNSSEC	⚠️ Not signed
A	77.72.2.79^{🇬🇧 KRYSTAL77.72.2.0/24}
		PTR	`russet-lon.krystal.uk`
NS	`ns1.krystal.uk` ⭐ ⚠️ Not in parent delegation
		A	77.72.0.11^{🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd}
			PTR	`ns1.krystal.uk`
NS	`ns1.krystal.co.uk` ⚠️ Not in zone NS records
		A	77.72.0.11^{🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd}
			PTR	`ns1.krystal.uk`
NS	`ns2.krystal.co.uk` ⚠️ Not in zone NS records
		A	139.162.230.184^{🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies}
			PTR	`ns2.krystal.uk`
NS	`ns2.krystal.uk` ⚠️ Not in parent delegation
		A	139.162.230.184^{🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies}
			PTR	`ns2.krystal.uk`
MX	`groupsrs-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca0b::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo3p265cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::2^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo0p265cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00601.inbound.protection.outlook.com`
		A	52.101.89.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	52.101.89.1^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo0p265cu00201.inbound.protection.outlook.com`
		A	52.101.89.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo3p265cu00302.inbound.protection.outlook.com`
		A	52.101.99.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00600.inbound.protection.outlook.com`
TXT	`MS=ms76909154`
TXT	`v=spf1 include:relay.k.io ip4:77.72.1.98 ip4:77.72.2.79 include:spf.protectio...`
SOA	`ns1.krystal.uk`admin@k-validator-russet-lon.krystal.uk 2026-06-19 #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=1782585660

Same first word

groupsrs.com

Similar names

DNS History

11 records (6 active, 5 former)

○NSns.123-reg.co.uk2017-05-09 → 2017-05-09 · 3 obs

● 2017-05-09 05:58:18
○ 2026-02-19 09:29:44
○ 2026-06-27 18:45:16

●NSns1.krystal.co.uk2026-02-19 → 2026-06-27 · 3 obs

○ 2017-05-09 05:58:18
● 2026-02-19 09:29:44
● 2026-06-27 18:45:16

●NSns1.krystal.uk2026-02-19 → 2026-06-27 · 3 obs

○ 2017-05-09 05:58:18
● 2026-02-19 09:29:44
● 2026-06-27 18:45:16

○NSns2.123-reg.co.uk2017-05-09 → 2017-05-09 · 3 obs

● 2017-05-09 05:58:18
○ 2026-02-19 09:29:44
○ 2026-06-27 18:45:16

●NSns2.krystal.co.uk2026-02-19 → 2026-06-27 · 3 obs

○ 2017-05-09 05:58:18
● 2026-02-19 09:29:44
● 2026-06-27 18:45:16

●NSns2.krystal.uk2026-02-19 → 2026-06-27 · 3 obs

○ 2017-05-09 05:58:18
● 2026-02-19 09:29:44
● 2026-06-27 18:45:16

●MXgroupsrs-com.mail.protection.outlook.com2026-02-19 → 2026-06-27 · 3 obs

○ 2017-05-09 05:58:18
● 2026-02-19 09:29:44
● 2026-06-27 18:45:16

○MXmx0.123-reg.co.uk2017-05-09 → 2017-05-09 · 3 obs

● 2017-05-09 05:58:18
○ 2026-02-19 09:29:44
○ 2026-06-27 18:45:16

○MXmx1.123-reg.co.uk2017-05-09 → 2017-05-09 · 3 obs

● 2017-05-09 05:58:18
○ 2026-02-19 09:29:44
○ 2026-06-27 18:45:16

●A77.72.2.792026-02-19 → 2026-06-27 · 3 obs

○ 2017-05-09 05:58:18
● 2026-02-19 09:29:44
● 2026-06-27 18:45:16

○A81.21.76.622017-05-09 → 2017-05-09 · 3 obs

● 2017-05-09 05:58:18
○ 2026-02-19 09:29:44
○ 2026-06-27 18:45:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net...	-
groupsrs.com	ns1.krystal.co.uk, ns2.krystal.co.uk	-

✅ Authoritative Response

Server:139.162.230.184

NS records: ns1.krystal.co.uk, ns2.krystal.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for groupsrs.com (unsigned zone)

⏱️ Timing

Total: 2157ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.72.2.79`
NS	2	`ns2.krystal.uk, ns1.krystal.uk`
MX	1	`groupsrs-com.mail.protection.outlook.com`
TXT	2	`v=spf1 include:relay.k.io ip4:77.72.1.98, MS=ms76909154`
SOA	1	`ns1.krystal.uk admin.k-validator-russet-`

Analysis

IP Addresses

groupsrs.com resolves to just one IP address, 77.72.2.79.

Two other host names, along with phenford.com, foom.co.uk and ordinarychaos.co.uk, also share IP numbers with groupsrs.com.

Name Servers

The NS records for groupsrs.com point to four name servers: ns1.krystal.uk, ns2.krystal.uk, ns1.krystal.co.uk and ns2.krystal.co.uk.

groupsrs.com has at least partial name server overlap with other domains, such as stanley-travel.com, dancevibe.org, mortmail.com and two others.

ns1.cloudhosting.uk, ns2.cloudhosting.uk and ns1.krystal.io — plus 7 other name servers — are commonly paired with these name servers.

Four host names, each with a single IP address: ns1.krystal.uk → 77.72.0.11, ns2.krystal.uk → 139.162.230.184, ns1.krystal.co.uk → 77.72.0.11 and ns2.krystal.co.uk → 139.162.230.184.

Host names pointing to 77.72.0.11 IP addresses: ns1.krystal.uk and ns1.krystal.co.uk.

Host names pointing to 139.162.230.184 IP addresses: ns2.krystal.uk and ns2.krystal.co.uk.

Mail Servers

The sole mail server for groupsrs.com is groupsrs-com.mail.protection.outlook.com.

With 8 IP addresses total, groupsrs-com.mail.protection.outlook.com resolves to 52.101.89.0, 52.101.89.1, 52.101.89.2 and 5 others.