johnkov.com - dns.ninja

`johnkov.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:2704^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:8db4^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.39.4^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.141.180^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`reza.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ad9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`reza.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`reza.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`reza.ns.cloudflare.com`
		A	108.162.192.217^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`reza.ns.cloudflare.com`
		A	172.64.32.217^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`reza.ns.cloudflare.com`
		A	173.245.58.217^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`reza.ns.cloudflare.com`
NS	`roman.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c67^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roman.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c367^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`roman.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2367^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`roman.ns.cloudflare.com`
		A	108.162.195.103^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roman.ns.cloudflare.com`
		A	162.159.44.103^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roman.ns.cloudflare.com`
		A	172.64.35.103^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roman.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c08::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f26.1e100.net`
		A	172.253.115.27^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=2BtLl3faySsVZp73CjIooeCD0EYAD7Hcz7RXcDdwGOc`
TXT	`google-site-verification=JBwcWE4F7h3hyLGFTVDa6zVgkwlHOR-a-9TeTYyYqbQ`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.39.4, 172.67.141.180
		IPv6 hints	2606:4700:3033::6815:2704, 2606:4700:3034::ac43:8db4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=71, name=cloudflare-ech.com
SOA	`reza.ns.cloudflare.com`dns@cloudflare.com serial=2409156247

`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=1783918527

Same first word

johnkov.com

DNS History

25 records (11 active, 14 former)

○NSns-cloud-e1.googledomains.com2026-03-08 → 2026-03-15 · 5 obs

○ 2018-09-10 22:02:48
● 2026-03-08 00:55:38
● 2026-03-15 09:34:30
○ 2026-04-06 20:41:20
○ 2026-07-13 05:00:38

○NSns-cloud-e2.googledomains.com2026-03-08 → 2026-03-15 · 5 obs

○ 2018-09-10 22:02:48
● 2026-03-08 00:55:38
● 2026-03-15 09:34:30
○ 2026-04-06 20:41:20
○ 2026-07-13 05:00:38

○NSns-cloud-e3.googledomains.com2026-03-08 → 2026-03-15 · 5 obs

○ 2018-09-10 22:02:48
● 2026-03-08 00:55:38
● 2026-03-15 09:34:30
○ 2026-04-06 20:41:20
○ 2026-07-13 05:00:38

○NSns-cloud-e4.googledomains.com2026-03-08 → 2026-03-15 · 5 obs

○ 2018-09-10 22:02:48
● 2026-03-08 00:55:38
● 2026-03-15 09:34:30
○ 2026-04-06 20:41:20
○ 2026-07-13 05:00:38

○NSns33.domaincontrol.com2015-08-23 → 2018-09-10 · 4 obs

● 2015-08-23 04:24:14
● 2018-09-10 22:02:48
○ 2026-03-08 00:55:38
○ 2026-07-13 05:00:38

○NSns34.domaincontrol.com2015-08-23 → 2018-09-10 · 4 obs

● 2015-08-23 04:24:14
● 2018-09-10 22:02:48
○ 2026-03-08 00:55:38
○ 2026-07-13 05:00:38

●NSreza.ns.cloudflare.com2026-04-06 → 2026-07-13 · 3 obs

○ 2026-03-15 09:34:30
● 2026-04-06 20:41:20
● 2026-07-13 05:00:38

●NSroman.ns.cloudflare.com2026-04-06 → 2026-07-13 · 3 obs

○ 2026-03-15 09:34:30
● 2026-04-06 20:41:20
● 2026-07-13 05:00:38

●MXalt1.aspmx.l.google.com2015-08-23 → 2026-07-13 · 2 obs

● 2015-08-23 04:24:14
● 2026-07-13 05:00:38

●MXalt2.aspmx.l.google.com2015-08-23 → 2026-07-13 · 2 obs

● 2015-08-23 04:24:14
● 2026-07-13 05:00:38

●MXalt3.aspmx.l.google.com2026-03-08 → 2026-07-13 · 3 obs

○ 2015-08-23 04:24:14
● 2026-03-08 00:55:38
● 2026-07-13 05:00:38

●MXalt4.aspmx.l.google.com2026-03-08 → 2026-07-13 · 3 obs

○ 2015-08-23 04:24:14
● 2026-03-08 00:55:38
● 2026-07-13 05:00:38

●MXaspmx.l.google.com2015-08-23 → 2026-07-13 · 2 obs

● 2015-08-23 04:24:14
● 2026-07-13 05:00:38

●A104.21.39.42026-04-06 → 2026-07-13 · 3 obs

○ 2026-03-15 09:34:30
● 2026-04-06 20:41:20
● 2026-07-13 05:00:38

○A108.38.234.2132016-03-06 → 2016-03-06 · 4 obs

○ 2015-12-05 13:05:34
● 2016-03-06 13:19:30
○ 2016-06-24 15:23:48
○ 2026-07-13 05:00:38

●A172.67.141.1802026-04-06 → 2026-07-13 · 3 obs

○ 2026-03-15 09:34:30
● 2026-04-06 20:41:20
● 2026-07-13 05:00:38

○A173.58.32.1092016-06-24 → 2016-06-24 · 4 obs

○ 2016-03-06 13:19:30
● 2016-06-24 15:23:48
○ 2018-09-10 22:02:48
○ 2026-07-13 05:00:38

○A2606:4700:3031::6815:27042026-04-06 → 2026-04-06 · 3 obs

○ 2026-03-15 09:34:30
● 2026-04-06 20:41:20
○ 2026-07-13 05:00:38

●A2606:4700:3033::6815:27042026-07-13 → 2026-07-13 · 2 obs

○ 2026-04-06 20:41:20
● 2026-07-13 05:00:38

●A2606:4700:3034::ac43:8db42026-07-13 → 2026-07-13 · 2 obs

○ 2026-04-06 20:41:20
● 2026-07-13 05:00:38

○A2606:4700:3037::ac43:8db42026-04-06 → 2026-04-06 · 3 obs

○ 2026-03-15 09:34:30
● 2026-04-06 20:41:20
○ 2026-07-13 05:00:38

○A47.149.24.492018-09-10 → 2018-09-10 · 4 obs

○ 2016-06-24 15:23:48
● 2018-09-10 22:02:48
○ 2026-03-08 00:55:38
○ 2026-07-13 05:00:38

○A47.153.90.742026-03-08 → 2026-03-15 · 5 obs

○ 2018-09-10 22:02:48
● 2026-03-08 00:55:38
● 2026-03-15 09:34:30
○ 2026-04-06 20:41:20
○ 2026-07-13 05:00:38

○A96.229.213.362015-08-23 → 2015-08-23 · 3 obs

● 2015-08-23 04:24:14
○ 2015-12-05 13:05:34
○ 2026-07-13 05:00:38

○A96.251.155.1432015-12-05 → 2015-12-05 · 4 obs

○ 2015-08-23 04:24:14
● 2015-12-05 13:05:34
○ 2016-03-06 13:19:30
○ 2026-07-13 05:00:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
johnkov.com	reza.ns.cloudflare.com, roman.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.217

NS records: reza.ns.cloudflare.com, roman.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for johnkov.com (unsigned zone)

⏱️ Timing

Total: 186ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.39.4, 172.67.141.180`
AAAA	2	`2606:4700:3034::ac43:8db4, 2606:4700:3033::6815:2704`
NS	2	`reza.ns.cloudflare.com, roman.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=2BtLl3faySsVZp7, google-site-verification=JBwcWE4F7h3hyLG`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`reza.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (reza.ns.cloudflare.com, reza.ns.cloudflare.com, reza.ns.cloudflare.com...)

Analysis

IP Addresses

johnkov.com directs to four IP numbers, which are 104.21.39.4, 172.67.141.180, 2606:4700:3033::6815:2704 and 2606:4700:3034::ac43:8db4.

Additional host names — ben-entreprend.com, www.rev-rs.net, wafaicloud.net and two others — share IP numbers with johnkov.com.

Name Servers

Two name servers handle the delegation for johnkov.com: reza.ns.cloudflare.com and roman.ns.cloudflare.com.

johnkov.com shares its name server setup with other domains, including istoreil.co.il, sovyxalira.com, twsp.co.uk and two others.

At least some of johnkov.com's name servers are shared with other domains, for example webinword.com, dancevision.com, centurionsaas.com and two more.

It is common for these name servers to be used in conjunction with the name servers jill.ns.cloudflare.com, molly.ns.cloudflare.com and dayana.ns.cloudflare.com.

Host names with 6 IP numbers:

reza.ns.cloudflare.com resolves to 108.162.192.217, 172.64.32.217 and 173.245.58.217 among others, with 3 other IP addresses in total.

roman.ns.cloudflare.com resolves to 108.162.195.103, 162.159.44.103 and 172.64.35.103 among others, with 3 other IP addresses in total.

Mail Servers

Five mail servers handle johnkov.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

johnkov.com shares mail servers — at least in part — with other domains, including pineiral.es, pyramidtech.net, ns500758.ns500758.ns500759.ns500698.ns500735.ns500698.ns500736.ns500735.ns500736.ns500708.ns500576.ns500576.ns500576.ns500576.ns500576.trackreceptor.com and two others.

These mail servers are frequently paired with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com resolves to two addresses: 172.253.115.27 and 2607:f8b0:4004:c08::1a.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.26 and 2a00:1450:400c:c23::1b.