frsdevelopment.com - dns.ninja

`frsdevelopment.com`

DNSSEC	⚠️ Not signed
A	77.72.2.45^{🇬🇧 KRYSTAL77.72.2.0/24}
		PTR	`valerii-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	`mx1.krystal.uk` ⭐
		A	185.53.56.44^{🇬🇧 KRYSTAL185.53.56.0/22}
			PTR	`mx1.strikemail.co.uk`
		A	185.53.56.46^{🇬🇧 KRYSTAL185.53.56.0/22}
			PTR	`mx1.strikemail.co.uk`
MX	`mx2.krystal.uk`⁽²⁰⁾
		A	185.53.56.45^{🇬🇧 KRYSTAL185.53.56.0/22}
			PTR	`mx2.strikemail.co.uk`
		A	185.53.56.47^{🇬🇧 KRYSTAL185.53.56.0/22}
			PTR	`mx2.strikemail.co.uk`
TXT	`cabincrewwings.com.`
TXT	`v=spf1 ip4:77.72.2.45 include:relay.k.io ip4:77.72.2.194 a mx ip4:77.72.1.66 ...`
SOA	`ns1.krystal.uk`admin@k-validator-valerii-lon.krystal.uk 2026-07-02 #0

`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=1785466547

Same first word

frsdevelopment.com

Similar names

sfrdevelopment.com

rfdevelopments.com

DNS History

11 records (7 active, 4 former)

●NSns1.krystal.co.uk2015-08-01 → 2026-07-31 · 2 obs

● 2015-08-01 11:44:12
● 2026-07-31 03:07:36

●NSns1.krystal.uk2026-03-13 → 2026-07-31 · 3 obs

○ 2015-08-01 11:44:12
● 2026-03-13 08:14:46
● 2026-07-31 03:07:36

●NSns2.krystal.co.uk2015-08-01 → 2026-07-31 · 2 obs

● 2015-08-01 11:44:12
● 2026-07-31 03:07:36

●NSns2.krystal.uk2026-03-13 → 2026-07-31 · 3 obs

○ 2015-08-01 11:44:12
● 2026-03-13 08:14:46
● 2026-07-31 03:07:36

○MXmx1.krystal.co.uk2015-08-01 → 2017-06-08 · 4 obs

● 2015-08-01 11:44:12
● 2017-06-08 18:02:42
○ 2026-03-13 08:14:46
○ 2026-07-31 03:07:36

●MXmx1.krystal.uk2026-03-13 → 2026-07-31 · 3 obs

○ 2017-06-08 18:02:42
● 2026-03-13 08:14:46
● 2026-07-31 03:07:36

○MXmx2.krystal.co.uk2015-08-01 → 2017-06-08 · 4 obs

● 2015-08-01 11:44:12
● 2017-06-08 18:02:42
○ 2026-03-13 08:14:46
○ 2026-07-31 03:07:36

●MXmx2.krystal.uk2026-03-13 → 2026-07-31 · 3 obs

○ 2017-06-08 18:02:42
● 2026-03-13 08:14:46
● 2026-07-31 03:07:36

○A77.72.0.1302015-12-28 → 2017-06-08 · 5 obs

○ 2015-08-01 11:44:12
● 2015-12-28 06:16:34
● 2017-06-08 18:02:42
○ 2026-03-13 08:14:46
○ 2026-07-31 03:07:36

●A77.72.2.452026-03-13 → 2026-07-31 · 3 obs

○ 2017-06-08 18:02:42
● 2026-03-13 08:14:46
● 2026-07-31 03:07:36

○A77.72.4.342015-08-01 → 2015-08-01 · 3 obs

● 2015-08-01 11:44:12
○ 2015-12-28 06:16:34
○ 2026-07-31 03:07:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net...	-
frsdevelopment.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 frsdevelopment.com (unsigned zone)

⏱️ Timing

Total: 457ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.72.2.45`
NS	2	`ns1.krystal.uk, ns2.krystal.uk`
MX	2	`mx1.krystal.uk (pri: 10), mx2.krystal.uk (pri: 20)`
TXT	2	`cabincrewwings.com., v=spf1 ip4:77.72.2.45 include:relay.k.io`
SOA	1	`ns1.krystal.uk admin.k-validator-valerii`

Analysis

IP Addresses

frsdevelopment.com has exactly one IP address — 77.72.2.45.

jordanwoodage.com, punkpighosting.co.uk, www.euroby.com plus two other host names have IP numbers in common with frsdevelopment.com.

Name Servers

Four name servers handle the delegation for frsdevelopment.com: ns1.krystal.uk, ns2.krystal.uk, ns1.krystal.co.uk and ns2.krystal.co.uk.

frsdevelopment.com partially shares its NS delegation with several other domains, including colourverse.com, dawnsio.com, pathfinderpro.co.uk and two others.

In DNS configurations, these name servers often share authority with ns1.cloudhosting.uk, ns2.cloudhosting.uk, ns1.cloudhosting.co.uk and 6 other name servers.

Host names ns1.krystal.uk, ns2.krystal.uk, ns1.krystal.co.uk and ns2.krystal.co.uk each have one IP address. Notably, ns1.krystal.uk and ns1.krystal.co.uk resolve to the same address 77.72.0.11, and ns2.krystal.uk and ns2.krystal.co.uk resolve to the same address 139.162.230.184.

ns1.krystal.uk and ns1.krystal.co.uk are host names that each point to 77.72.0.11 IP addresses.

ns2.krystal.uk and ns2.krystal.co.uk are host names that each point to 139.162.230.184 IP addresses.

Mail Servers

frsdevelopment.com uses two mail servers, mx1.krystal.uk and mx2.krystal.uk.

The mail server setup of frsdevelopment.com matches that of other domains such as mygide.com, fourcats.co.uk, scubaco.co.uk and two others.

mx1.krystal.uk and mx2.krystal.uk each resolve to two IP addresses: mx1.krystal.uk points to 185.53.56.44 and 185.53.56.46, while mx2.krystal.uk points to 185.53.56.45 and 185.53.56.47.