jackrow.com - dns.ninja

`jackrow.com`

DNSSEC	⚠️ Not signed
A	77.72.1.49^{🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd}
		PTR	`eadu-lon1.krystal.uk`
NS	`ns1.krystal.uk` ⭐
		A	77.72.0.11^{🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd}
			PTR	`ns1.krystal.uk`
NS	`ns2.krystal.uk`
		A	139.162.230.184^{🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies}
			PTR	`ns2.krystal.uk`
MX	`jackrow-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::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	52.101.99.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00502.inbound.protection.outlook.com`
TXT	`v=spf1 +a +mx +ip4:77.72.1.49 include:spf.protection.outlook.com include:rela...`
SOA	`ns1.krystal.uk`admin@k-validator-eadu-lon1.krystal.uk 2026-04-29 #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=1780933776

Previously MX for

jackrow.com

Subdomains

autodiscover.jackrow.com

Same first word

jackrow.com

DNS History

11 records (4 active, 7 former)

○NSns1.express-hosting.co.uk2015-05-30 → 2017-12-14 · 4 obs

● 2015-05-30 15:55:56
● 2017-12-14 18:53:26
○ 2026-04-05 04:34:18
○ 2026-06-08 16:06:06

●NSns1.krystal.uk2026-04-05 → 2026-06-08 · 3 obs

○ 2017-12-14 18:53:26
● 2026-04-05 04:34:18
● 2026-06-08 16:06:06

○NSns2.express-hosting.co.uk2015-05-30 → 2017-12-14 · 4 obs

● 2015-05-30 15:55:56
● 2017-12-14 18:53:26
○ 2026-04-05 04:34:18
○ 2026-06-08 16:06:06

●NSns2.krystal.uk2026-04-05 → 2026-06-08 · 3 obs

○ 2017-12-14 18:53:26
● 2026-04-05 04:34:18
● 2026-06-08 16:06:06

○NSns3.express-hosting.co.uk2015-05-30 → 2017-12-14 · 4 obs

● 2015-05-30 15:55:56
● 2017-12-14 18:53:26
○ 2026-04-05 04:34:18
○ 2026-06-08 16:06:06

○NSns4.express-hosting.co.uk2015-05-30 → 2017-12-14 · 4 obs

● 2015-05-30 15:55:56
● 2017-12-14 18:53:26
○ 2026-04-05 04:34:18
○ 2026-06-08 16:06:06

●MXjackrow-com.mail.protection.outlook.com2026-04-05 → 2026-06-08 · 3 obs

○ 2017-12-14 18:53:26
● 2026-04-05 04:34:18
● 2026-06-08 16:06:06

○MXjackrow.com2015-05-30 → 2017-12-14 · 4 obs

● 2015-05-30 15:55:56
● 2017-12-14 18:53:26
○ 2026-04-05 04:34:18
○ 2026-06-08 16:06:06

○A2a01:b000:5:3::1852017-12-14 → 2017-12-14 · 4 obs

○ 2015-05-30 15:55:56
● 2017-12-14 18:53:26
○ 2026-04-05 04:34:18
○ 2026-06-08 16:06:06

○A46.30.11.42015-05-30 → 2017-12-14 · 4 obs

● 2015-05-30 15:55:56
● 2017-12-14 18:53:26
○ 2026-04-05 04:34:18
○ 2026-06-08 16:06:06

●A77.72.1.492026-04-05 → 2026-06-08 · 3 obs

○ 2017-12-14 18:53:26
● 2026-04-05 04:34:18
● 2026-06-08 16:06:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
jackrow.com	ns2.krystal.uk, ns1.krystal.uk	-

✅ Authoritative Response

Server:139.162.230.184

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jackrow.com (unsigned zone)

⏱️ Timing

Total: 479ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.72.1.49`
NS	2	`ns2.krystal.uk, ns1.krystal.uk`
MX	1	`jackrow-com.mail.protection.outlook.com`
TXT	1	`v=spf1 +a +mx +ip4:77.72.1.49 include:sp`
SOA	1	`ns1.krystal.uk admin.k-validator-eadu-lo`

Analysis

Hierarchy

The domain autodiscover.jackrow.com falls under the parent jackrow.com.

IP Addresses

jackrow.com directs to one IP number, which is 77.72.1.49.

Among the host names that share IP numbers with jackrow.com are creoforma.co.uk, bio-farma.com, motorsearch.net and two others.

Name Servers

Two name servers handle the delegation for jackrow.com: ns1.krystal.uk and ns2.krystal.uk.

jackrow.com has the same name server delegation as a number of other domains, such as northwestbearings.co.uk, gscl.co.uk, cholmondeley.net and two more.

At least some of jackrow.com's name servers are shared with other domains, for example tronetic.com, lorn.org.uk, james66.com and two more.

It is common to find these name servers paired with ns1.krystal.co.uk, ns2.krystal.co.uk, ns1.cloudhosting.uk and five other authoritative name servers.

Each of ns1.krystal.uk and ns2.krystal.uk has one IP address: ns1.krystal.uk uses 77.72.0.11 and ns2.krystal.uk uses 139.162.230.184.

Mail Servers

jackrow.com routes its mail through a single mail server, jackrow-com.mail.protection.outlook.com.

jackrow-com.mail.protection.outlook.com directs to 8 IP addresses, namely 52.101.89.0, 52.101.89.1, 52.101.89.2 and five others.