`flogrosystems.com`

DNSSEC	⚠️ Not signed
A	77.72.2.49^{🇬🇧 KRYSTAL77.72.2.0/24}
		PTR	`roslin-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	`flogrosystems-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca0b::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo3p265cu00301.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	52.101.89.2^{🇬🇧 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`
		A	52.101.99.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00502.inbound.protection.outlook.com`
TXT	`MS=ms36750422`
TXT	`v=spf1 ip4:77.72.2.49 ip4:77.72.1.226 ip4:216.22.3.93 include:relay.k.io incl...`
SOA	`ns1.krystal.uk`admin@k-validator-roslin-lon.krystal.uk 2026-02-27 #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=1777226471

WOT: SAFE (68/100)

Previously MX for

flogrosystems.com

Subdomains

mail.flogrosystems.com

Same first word

flogrosystems.com

DNS History

14 records (6 active, 8 former)

○NSns.mainnameserver.com2015-07-21 → 2016-07-06 · 4 obs

● 2015-07-21 00:59:22
● 2016-07-06 00:22:44
○ 2017-04-05 03:48:28
○ 2026-04-26 18:08:00

○NSns1.cloudhosting.co.uk2017-04-05 → 2017-04-05 · 4 obs

○ 2016-07-06 00:22:44
● 2017-04-05 03:48:28
○ 2026-03-10 15:17:16
○ 2026-04-26 18:08:00

●NSns1.krystal.co.uk2026-03-10 → 2026-04-26 · 3 obs

○ 2017-04-05 03:48:28
● 2026-03-10 15:17:16
● 2026-04-26 18:08:00

●NSns1.krystal.uk2026-03-10 → 2026-04-26 · 3 obs

○ 2017-04-05 03:48:28
● 2026-03-10 15:17:16
● 2026-04-26 18:08:00

○NSns2.cloudhosting.co.uk2017-04-05 → 2017-04-05 · 4 obs

○ 2016-07-06 00:22:44
● 2017-04-05 03:48:28
○ 2026-03-10 15:17:16
○ 2026-04-26 18:08:00

●NSns2.krystal.co.uk2026-03-10 → 2026-04-26 · 3 obs

○ 2017-04-05 03:48:28
● 2026-03-10 15:17:16
● 2026-04-26 18:08:00

●NSns2.krystal.uk2026-03-10 → 2026-04-26 · 3 obs

○ 2017-04-05 03:48:28
● 2026-03-10 15:17:16
● 2026-04-26 18:08:00

○NSns2.mainnameserver.com2015-07-21 → 2016-07-06 · 4 obs

● 2015-07-21 00:59:22
● 2016-07-06 00:22:44
○ 2017-04-05 03:48:28
○ 2026-04-26 18:08:00

●MXflogrosystems-com.mail.protection.outlook.com2026-03-10 → 2026-04-26 · 3 obs

○ 2017-04-05 03:48:28
● 2026-03-10 15:17:16
● 2026-04-26 18:08:00

○MXflogrosystems.com2017-04-05 → 2017-04-05 · 4 obs

○ 2016-07-06 00:22:44
● 2017-04-05 03:48:28
○ 2026-03-10 15:17:16
○ 2026-04-26 18:08:00

○MXmail.flogrosystems.com2015-07-21 → 2016-07-06 · 4 obs

● 2015-07-21 00:59:22
● 2016-07-06 00:22:44
○ 2017-04-05 03:48:28
○ 2026-04-26 18:08:00

○A217.199.187.592015-07-21 → 2016-07-06 · 4 obs

● 2015-07-21 00:59:22
● 2016-07-06 00:22:44
○ 2017-04-05 03:48:28
○ 2026-04-26 18:08:00

○A77.72.0.742017-04-05 → 2017-04-05 · 4 obs

○ 2016-07-06 00:22:44
● 2017-04-05 03:48:28
○ 2026-03-10 15:17:16
○ 2026-04-26 18:08:00

●A77.72.2.492026-03-10 → 2026-04-26 · 3 obs

○ 2017-04-05 03:48:28
● 2026-03-10 15:17:16
● 2026-04-26 18:08:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
flogrosystems.com	ns1.krystal.co.uk, ns2.krystal.co.uk	-

✅ Authoritative Response

Server:77.72.0.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for flogrosystems.com (unsigned zone)

⏱️ Timing

Total: 626ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.72.2.49`
NS	2	`ns2.krystal.uk, ns1.krystal.uk`
MX	1	`flogrosystems-com.mail.protection.outloo`
TXT	2	`MS=ms36750422, v=spf1 ip4:77.72.2.49 ip4:77.72.1.226 ip`
SOA	1	`ns1.krystal.uk admin.k-validator-roslin-`

Analysis

Hierarchy

The parent of mail.flogrosystems.com is flogrosystems.com.

IP Addresses

flogrosystems.com points to an IP address: 77.72.2.49.

other host names include bensmith-photography.co.uk, christianstudents.co.uk, thingsbyus.co.uk, www.west-hill.kent.sch.uk and roslin-lon.krystal-hosting.katapult.cloud; they share IP numbers with flogrosystems.com.

Name Servers

flogrosystems.com delegates to four name servers: ns1.krystal.uk, ns2.krystal.uk, ns1.krystal.co.uk and ns2.krystal.co.uk.

flogrosystems.com at least partially shares name servers with other domains, for instance villager.net, poolcues.co.uk, pathalba.com, pandhquakers.org.uk and serene.care.