`bykoltuk.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:bc7b^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:13ba^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.19.186^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.188.123^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`earl.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`earl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`earl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`earl.ns.cloudflare.com`
		A	108.162.193.161^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`earl.ns.cloudflare.com`
		A	172.64.33.161^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`earl.ns.cloudflare.com`
		A	173.245.59.161^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`earl.ns.cloudflare.com`
NS	`mira.ns.cloudflare.com`
		A	2606:4700:50::adf5:3acc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mira.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0cc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mira.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20cc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mira.ns.cloudflare.com`
		A	108.162.192.204^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-108-162-192-204.defastlink.net`
		A	172.64.32.204^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-172-64-32-204.defastlink.net`
		A	173.245.58.204^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-173-245-58-204.defastlink.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.19.186, 172.67.188.123
		IPv6 hints	2606:4700:3031::ac43:bc7b, 2606:4700:3034::6815:13ba
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=27, name=cloudflare-ech.com
SOA	`earl.ns.cloudflare.com`dns@cloudflare.com serial=2402685034

`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=1778745626

Previously MX for

bykoltuk.com

Same first word

bykoltuk.com

DNS History

24 records (6 active, 18 former)

○NSalice.ns.cloudflare.com2020-03-01 → 2020-03-01 · 4 obs

○ 2017-03-21 14:09:22
● 2020-03-01 03:17:26
○ 2026-04-30 09:10:14
○ 2026-05-14 08:13:00

●NSearl.ns.cloudflare.com2026-04-30 → 2026-05-14 · 3 obs

○ 2020-03-01 03:17:26
● 2026-04-30 09:10:14
● 2026-05-14 08:13:00

○NSluke.ns.cloudflare.com2020-03-01 → 2020-03-01 · 4 obs

○ 2017-03-21 14:09:22
● 2020-03-01 03:17:26
○ 2026-04-30 09:10:14
○ 2026-05-14 08:13:00

●NSmira.ns.cloudflare.com2026-04-30 → 2026-05-14 · 3 obs

○ 2020-03-01 03:17:26
● 2026-04-30 09:10:14
● 2026-05-14 08:13:00

○NSns1.cozumtekno.com2017-03-21 → 2017-03-21 · 4 obs

○ 2015-10-08 20:28:30
● 2017-03-21 14:09:22
○ 2020-03-01 03:17:26
○ 2026-05-14 08:13:00

○NSns1.domain.biz.tr2015-05-21 → 2015-05-21 · 3 obs

● 2015-05-21 11:59:52
○ 2015-10-08 20:28:30
○ 2026-05-14 08:13:00

○NSns2.cozumtekno.com2017-03-21 → 2017-03-21 · 4 obs

○ 2015-10-08 20:28:30
● 2017-03-21 14:09:22
○ 2020-03-01 03:17:26
○ 2026-05-14 08:13:00

○NSns2.domain.biz.tr2015-05-21 → 2015-05-21 · 3 obs

● 2015-05-21 11:59:52
○ 2015-10-08 20:28:30
○ 2026-05-14 08:13:00

○NSns3.domain.biz.tr2015-05-21 → 2015-05-21 · 3 obs

● 2015-05-21 11:59:52
○ 2015-10-08 20:28:30
○ 2026-05-14 08:13:00

○NSns4.domain.biz.tr2015-05-21 → 2015-05-21 · 3 obs

● 2015-05-21 11:59:52
○ 2015-10-08 20:28:30
○ 2026-05-14 08:13:00

○MXbykoltuk.com2017-03-21 → 2017-03-21 · 4 obs

○ 2015-10-08 20:28:30
● 2017-03-21 14:09:22
○ 2020-03-01 03:17:26
○ 2026-05-14 08:13:00

○MXdc-d1c01bae5064.bykoltuk.com2020-03-01 → 2020-03-01 · 4 obs

○ 2017-03-21 14:09:22
● 2020-03-01 03:17:26
○ 2026-04-30 09:10:14
○ 2026-05-14 08:13:00

○MXus2.mx1.mailhostbox.com2015-05-21 → 2015-05-21 · 3 obs

● 2015-05-21 11:59:52
○ 2015-10-08 20:28:30
○ 2026-05-14 08:13:00

○MXus2.mx2.mailhostbox.com2015-05-21 → 2015-05-21 · 3 obs

● 2015-05-21 11:59:52
○ 2015-10-08 20:28:30
○ 2026-05-14 08:13:00

○MXus2.mx3.mailhostbox.com2015-05-21 → 2015-05-21 · 3 obs

● 2015-05-21 11:59:52
○ 2015-10-08 20:28:30
○ 2026-05-14 08:13:00

●A104.21.19.1862026-04-30 → 2026-05-14 · 3 obs

○ 2020-03-01 03:17:26
● 2026-04-30 09:10:14
● 2026-05-14 08:13:00

○A104.31.88.422020-03-01 → 2020-03-01 · 4 obs

○ 2017-03-21 14:09:22
● 2020-03-01 03:17:26
○ 2026-04-30 09:10:14
○ 2026-05-14 08:13:00

○A104.31.89.422020-03-01 → 2020-03-01 · 4 obs

○ 2017-03-21 14:09:22
● 2020-03-01 03:17:26
○ 2026-04-30 09:10:14
○ 2026-05-14 08:13:00

●A172.67.188.1232026-04-30 → 2026-05-14 · 3 obs

○ 2020-03-01 03:17:26
● 2026-04-30 09:10:14
● 2026-05-14 08:13:00

●A2606:4700:3031::ac43:bc7b2026-04-30 → 2026-05-14 · 3 obs

○ 2020-03-01 03:17:26
● 2026-04-30 09:10:14
● 2026-05-14 08:13:00

○A2606:4700:3033::681f:582a2020-03-01 → 2020-03-01 · 4 obs

○ 2017-03-21 14:09:22
● 2020-03-01 03:17:26
○ 2026-04-30 09:10:14
○ 2026-05-14 08:13:00

●A2606:4700:3034::6815:13ba2026-04-30 → 2026-05-14 · 3 obs

○ 2020-03-01 03:17:26
● 2026-04-30 09:10:14
● 2026-05-14 08:13:00

○A2606:4700:3037::681f:592a2020-03-01 → 2020-03-01 · 4 obs

○ 2017-03-21 14:09:22
● 2020-03-01 03:17:26
○ 2026-04-30 09:10:14
○ 2026-05-14 08:13:00

○A37.230.104.912017-03-21 → 2017-03-21 · 3 obs

● 2017-03-21 14:09:22
○ 2020-03-01 03:17:26
○ 2026-05-14 08:13:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net...	-
bykoltuk.com	earl.ns.cloudflare.com, mira.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.161

NS records: earl.ns.cloudflare.com, mira.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bykoltuk.com (unsigned zone)

⏱️ Timing

Total: 249ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.19.186, 172.67.188.123`
AAAA	2	`2606:4700:3034::6815:13ba, 2606:4700:3031::ac43:bc7b`
NS	2	`earl.ns.cloudflare.com, mira.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`earl.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by bykoltuk.com: 2606:4700:3031::ac43:bc7b, 2606:4700:3034::6815:13ba, 104.21.19.186 and 172.67.188.123.

other host names including mail.sdchouse.com.vn, mangashinobi.com, eventsinternational.co.uk, iotap.in and www.eventsinternational.co.uk share IP numbers with bykoltuk.com.

Name Servers

bykoltuk.com is delegated to two name servers earl.ns.cloudflare.com and mira.ns.cloudflare.com.

bykoltuk.com shares the same name server setup as other domains, for instance mpxwebradio.com, neurosonica.com, parabuchmagazyn.com, bluebeltinitiative.com and samsunrestaurant.com.

bykoltuk.com at least partially shares name servers with other domains, for instance findcovo.com, 22390.com, talafilmv.sbs, ecommercedesign.agency and buckup.cc.

These name servers are commonly used alongside ali.ns.cloudflare.com and ulla.ns.cloudflare.com.

Host names with six IP numbers:

Host name earl.ns.cloudflare.com points to: 2606:4700:58::adf5:3ba1, 2803:f800:50::6ca2:c1a1, 2a06:98c1:50::ac40:21a1, 108.162.193.161, 172.64.33.161 and 173.245.59.161.

Host name mira.ns.cloudflare.com points to: 2606:4700:50::adf5:3acc, 2803:f800:50::6ca2:c0cc, 2a06:98c1:50::ac40:20cc, 108.162.192.204, 172.64.32.204 and 173.245.58.204.

bykoltuk.com - robtex.com

bykoltuk.com

com

Previously MX for

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`bykoltuk.com`

`com`