🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`htmlbyexample.com`

DNSSEC	⚠️ Not signed
A	77.72.2.113^{🇬🇧 KRYSTAL77.72.2.0/24}
		PTR	`p113.lon.krystal.io`
NS	`ns1.krystal.io` ⭐ ⚠️ Not in parent delegation
		A	77.72.0.11^{🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd}
			PTR	`ns1.krystal.uk`
NS	`ns1.krystal.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.io` ⚠️ Not in parent delegation
		A	139.162.230.184^{🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies}
			PTR	`ns2.krystal.uk`
NS	`ns2.krystal.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	`ns3.krystal.io` ⚠️ Not in parent delegation
		A	77.72.0.13^{🇬🇧 KRYSTAL77.72.0.0/21 Krystal Hosting Ltd}
			PTR	`ns1.cloudhosting.co.uk`
NS	`ns4.krystal.io` ⚠️ Not in parent delegation
		A	139.162.254.53^{🇬🇧 AKAMAI-LINODE-AP139.162.224.0/19 Akamai Technologies}
			PTR	`ns2.cloudhosting.co.uk`
MX	`mx1.krystal.io` ⭐
		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.io`⁽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	`v=spf1 ip4:77.72.1.40 ip4:77.72.2.113 +a +mx include:relay.k.io ~all`
SOA	`ns1.krystal.io`admin@demo.p113.lon.krystal.io 2026-09-02 #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=1791415174

WOT: SAFE (70/100)

Same first word

htmlbyexample.com

Previous names

htmlbug.com

htmlbuild.com

htmlbuilder.com

htmlbuilders.com

htmlbum.com

htmlbundle.com

htmlburger.com

htmlburgers.com

htmlbutcher.com

htmlbuttons.com

htmlbuzz.com

Next names

htmlbygg.com

htmlbyme.com

htmlbyte.com

htmlbytes.com

htmlc.com

htmlcadet.com

htmlcadviewer.com

htmlcafe.com

htmlcake.com

htmlcalculator.com

htmlcalculators.com

DNS History

15 records (9 active, 6 former)

○NSns.vds2000.com2015-07-22 → 2020-01-06 · 4 obs

● 2015-07-22 00:05:08
● 2020-01-06 21:30:10
○ 2026-09-08 20:22:08
○ 2026-10-07 23:26:10

●NSns1.krystal.io2026-09-08 → 2026-10-07 · 3 obs

○ 2020-01-06 21:30:10
● 2026-09-08 20:22:08
● 2026-10-07 23:26:10

●NSns1.krystal.uk2026-09-08 → 2026-10-07 · 3 obs

○ 2020-01-06 21:30:10
● 2026-09-08 20:22:08
● 2026-10-07 23:26:10

○NSns1.myhostcenter.com2015-07-22 → 2016-07-08 · 4 obs

● 2015-07-22 00:05:08
● 2016-07-08 05:58:10
○ 2017-02-18 05:04:36
○ 2026-10-07 23:26:10

●NSns2.krystal.io2026-09-08 → 2026-10-07 · 3 obs

○ 2020-01-06 21:30:10
● 2026-09-08 20:22:08
● 2026-10-07 23:26:10

●NSns2.krystal.uk2026-09-08 → 2026-10-07 · 3 obs

○ 2020-01-06 21:30:10
● 2026-09-08 20:22:08
● 2026-10-07 23:26:10

○NSns2.myhostcenter.com2015-07-22 → 2016-07-08 · 4 obs

● 2015-07-22 00:05:08
● 2016-07-08 05:58:10
○ 2017-02-18 05:04:36
○ 2026-10-07 23:26:10

○NSns2.vds2000.com2017-02-18 → 2020-01-06 · 5 obs

○ 2016-07-08 05:58:10
● 2017-02-18 05:04:36
● 2020-01-06 21:30:10
○ 2026-09-08 20:22:08
○ 2026-10-07 23:26:10

●NSns3.krystal.io2026-09-08 → 2026-10-07 · 3 obs

○ 2020-01-06 21:30:10
● 2026-09-08 20:22:08
● 2026-10-07 23:26:10

●NSns4.krystal.io2026-09-08 → 2026-10-07 · 3 obs

○ 2020-01-06 21:30:10
● 2026-09-08 20:22:08
● 2026-10-07 23:26:10

●MXmx1.krystal.io2026-09-08 → 2026-10-07 · 3 obs

○ 2020-01-06 21:30:10
● 2026-09-08 20:22:08
● 2026-10-07 23:26:10

●MXmx2.krystal.io2026-09-08 → 2026-10-07 · 3 obs

○ 2020-01-06 21:30:10
● 2026-09-08 20:22:08
● 2026-10-07 23:26:10

○MXroot.htmlbyexample.com2015-07-22 → 2020-01-06 · 4 obs

● 2015-07-22 00:05:08
● 2020-01-06 21:30:10
○ 2026-09-08 20:22:08
○ 2026-10-07 23:26:10

○A64.6.225.742015-07-22 → 2020-01-06 · 4 obs

● 2015-07-22 00:05:08
● 2020-01-06 21:30:10
○ 2026-09-08 20:22:08
○ 2026-10-07 23:26:10

●A77.72.2.1132026-09-08 → 2026-10-07 · 3 obs

○ 2020-01-06 21:30:10
● 2026-09-08 20:22:08
● 2026-10-07 23:26:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
htmlbyexample.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 htmlbyexample.com (unsigned zone)

⏱️ Timing

Total: 824ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.72.2.113`
NS	4	`ns2.krystal.io, ns1.krystal.io...`
MX	2	`mx2.krystal.io (pri: 20), mx1.krystal.io (pri: 10)`
TXT	1	`v=spf1 ip4:77.72.1.40 ip4:77.72.2.113 +a`
SOA	1	`ns1.krystal.io admin.demo.p113.lon.kryst`

Analysis

IP Addresses

htmlbyexample.com points to a single IP number: 77.72.2.113.

Additional host names — lightcentre.org, crashdatareset.co.uk, jerryfennerphotography.co.uk and two others — share IP numbers with htmlbyexample.com.

Name Servers

htmlbyexample.com has 6 name servers — ns1.krystal.io, ns2.krystal.io, ns3.krystal.io and 3 others.

htmlbyexample.com has at least partial name server overlap with other domains, such as piechnick.nl, nasscotland.com, ourbrochure.uk and two others.

ns1.krystal.uk, ns2.krystal.uk and ns4.krystal.io — plus 6 other name servers — are commonly paired with these name servers.

Host names pointing to a single IP address:

ns1.krystal.io resolves to 77.72.0.11.

ns2.krystal.io resolves to 139.162.230.184.

ns3.krystal.io resolves to 77.72.0.13.

ns4.krystal.io resolves to 139.162.254.53.

ns1.krystal.uk resolves to 77.72.0.11.

ns2.krystal.uk resolves to 139.162.230.184.

The host names ns1.krystal.io and ns1.krystal.uk both resolve to 77.72.0.11 IP addresses.

The host names ns2.krystal.io and ns2.krystal.uk both resolve to 139.162.230.184 IP addresses.

Mail Servers

htmlbyexample.com has two mail servers: mx1.krystal.io and mx2.krystal.io.

htmlbyexample.com shares the same mail server setup as other domains, including web-master.email, leatherjacketcompany.com, plasticfilm.co.uk and two others.

Both mx1.krystal.io and mx2.krystal.io have two IP addresses each. mx1.krystal.io resolves to 185.53.56.44 and 185.53.56.46; mx2.krystal.io resolves to 185.53.56.45 and 185.53.56.47.

htmlbyexample.com - robtex.com