k2btools.com - dns.ninja

`k2btools.com`

DNSSEC	⚠️ Not signed
A	13.35.78.19^{🇺🇸 Amazon13.35.78.0/23 -Cloudfront}
		PTR	`server-13-35-78-19.iad61.r.cloudfront.net`
A	13.35.78.44^{🇺🇸 Amazon13.35.78.0/23 -Cloudfront}
A	13.35.78.45^{🇺🇸 Amazon13.35.78.0/23 -Cloudfront}
A	13.35.78.91^{🇺🇸 Amazon13.35.78.0/23 -Cloudfront}
NS	`ns-716.awsdns-25.net` ⭐
		A	2600:9000:5302:cc00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-716.awsdns-25.net`
		A	205.251.194.204^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-716.awsdns-25.net`
NS	`ns-1249.awsdns-28.org`
		A	2600:9000:5304:e100::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1249.awsdns-28.org`
		A	205.251.196.225^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1249.awsdns-28.org`
NS	`ns-1998.awsdns-57.co.uk`
		A	2600:9000:5307:ce00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1998.awsdns-57.co.uk`
		A	205.251.199.206^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1998.awsdns-57.co.uk`
NS	`ns-78.awsdns-09.com`
		A	2600:9000:5300:4e00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-78.awsdns-09.com`
		A	205.251.192.78^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-78.awsdns-09.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c0b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f26.1e100.net`
		A	142.251.16.26^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		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`⁽²⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽²⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽²⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`3of8qradtmr6v60o7l14i8ig0i`
TXT	`google-site-verification=ugkxvUDz3FhaEe-u5dw4utqZQEVcaHFea0P5ATo3smY`
TXT	`v=spf1 ip4:200.40.79.15 ip4:200.40.79.30 ip4:179.27.70.122 ip4:54.85.65.168 i...`
SOA	`ns-716.awsdns-25.net`awsdns-hostmaster@amazon.com serial=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=1783781302

Same first word

k2btools.com

DNS History

32 records (13 active, 19 former)

○NSdns153.a.register.com2015-07-14 → 2017-04-01 · 4 obs

● 2015-07-14 04:38:10
● 2017-04-01 02:33:12
○ 2026-03-26 21:23:30
○ 2026-07-11 15:09:30

○NSdns215.c.register.com2015-07-14 → 2017-04-01 · 4 obs

● 2015-07-14 04:38:10
● 2017-04-01 02:33:12
○ 2026-03-26 21:23:30
○ 2026-07-11 15:09:30

○NSdns247.b.register.com2015-07-14 → 2017-04-01 · 4 obs

● 2015-07-14 04:38:10
● 2017-04-01 02:33:12
○ 2026-03-26 21:23:30
○ 2026-07-11 15:09:30

○NSdns249.d.register.com2015-07-14 → 2017-04-01 · 4 obs

● 2015-07-14 04:38:10
● 2017-04-01 02:33:12
○ 2026-03-26 21:23:30
○ 2026-07-11 15:09:30

●NSns-1249.awsdns-28.org2026-03-26 → 2026-07-11 · 3 obs

○ 2017-04-01 02:33:12
● 2026-03-26 21:23:30
● 2026-07-11 15:09:30

●NSns-1998.awsdns-57.co.uk2026-03-26 → 2026-07-11 · 3 obs

○ 2017-04-01 02:33:12
● 2026-03-26 21:23:30
● 2026-07-11 15:09:30

●NSns-716.awsdns-25.net2026-03-26 → 2026-07-11 · 3 obs

○ 2017-04-01 02:33:12
● 2026-03-26 21:23:30
● 2026-07-11 15:09:30

●NSns-78.awsdns-09.com2026-03-26 → 2026-07-11 · 3 obs

○ 2017-04-01 02:33:12
● 2026-03-26 21:23:30
● 2026-07-11 15:09:30

●MXalt1.aspmx.l.google.com2026-03-26 → 2026-07-11 · 3 obs

○ 2017-04-01 02:33:12
● 2026-03-26 21:23:30
● 2026-07-11 15:09:30

●MXalt2.aspmx.l.google.com2026-03-26 → 2026-07-11 · 3 obs

○ 2017-04-01 02:33:12
● 2026-03-26 21:23:30
● 2026-07-11 15:09:30

●MXalt3.aspmx.l.google.com2026-03-26 → 2026-07-11 · 3 obs

○ 2017-04-01 02:33:12
● 2026-03-26 21:23:30
● 2026-07-11 15:09:30

●MXalt4.aspmx.l.google.com2026-03-26 → 2026-07-11 · 3 obs

○ 2017-04-01 02:33:12
● 2026-03-26 21:23:30
● 2026-07-11 15:09:30

●MXaspmx.l.google.com2026-03-26 → 2026-07-11 · 3 obs

○ 2017-04-01 02:33:12
● 2026-03-26 21:23:30
● 2026-07-11 15:09:30

○MXdhl.artech.com.uy2015-07-14 → 2015-07-14 · 3 obs

● 2015-07-14 04:38:10
○ 2015-11-26 06:26:14
○ 2026-07-11 15:09:30

○MXups.artech.com.uy2015-07-14 → 2017-04-01 · 4 obs

● 2015-07-14 04:38:10
● 2017-04-01 02:33:12
○ 2026-03-26 21:23:30
○ 2026-07-11 15:09:30

○A13.33.235.1252026-07-11 → 2026-07-11 · 4 obs

○ 2026-07-11 07:29:28
● 2026-07-11 09:48:52
○ 2026-07-11 11:23:06
○ 2026-07-11 15:09:30

○A13.33.235.412026-07-11 → 2026-07-11 · 4 obs

○ 2026-07-11 07:29:28
● 2026-07-11 09:48:52
○ 2026-07-11 11:23:06
○ 2026-07-11 15:09:30

○A13.33.235.892026-07-11 → 2026-07-11 · 4 obs

○ 2026-07-11 07:29:28
● 2026-07-11 09:48:52
○ 2026-07-11 11:23:06
○ 2026-07-11 15:09:30

○A13.33.235.92026-07-11 → 2026-07-11 · 4 obs

○ 2026-07-11 07:29:28
● 2026-07-11 09:48:52
○ 2026-07-11 11:23:06
○ 2026-07-11 15:09:30

●A13.35.78.192026-07-05 → 2026-07-11 · 7 obs

○ 2026-03-26 21:23:30
● 2026-07-05 11:16:10
○ 2026-07-07 16:45:12
● 2026-07-09 18:54:44
○ 2026-07-09 22:50:52
● 2026-07-11 11:23:06
● 2026-07-11 15:09:30

●A13.35.78.442026-07-05 → 2026-07-11 · 7 obs

○ 2026-03-26 21:23:30
● 2026-07-05 11:16:10
○ 2026-07-07 16:45:12
● 2026-07-09 18:54:44
○ 2026-07-09 22:50:52
● 2026-07-11 11:23:06
● 2026-07-11 15:09:30

●A13.35.78.452026-07-05 → 2026-07-11 · 7 obs

○ 2026-03-26 21:23:30
● 2026-07-05 11:16:10
○ 2026-07-07 16:45:12
● 2026-07-09 18:54:44
○ 2026-07-09 22:50:52
● 2026-07-11 11:23:06
● 2026-07-11 15:09:30

●A13.35.78.912026-07-05 → 2026-07-11 · 7 obs

○ 2026-03-26 21:23:30
● 2026-07-05 11:16:10
○ 2026-07-07 16:45:12
● 2026-07-09 18:54:44
○ 2026-07-09 22:50:52
● 2026-07-11 11:23:06
● 2026-07-11 15:09:30

○A18.155.21.1202026-07-09 → 2026-07-11 · 8 obs

○ 2026-07-07 16:45:12
● 2026-07-09 14:38:08
○ 2026-07-09 18:54:44
● 2026-07-09 22:50:52
○ 2026-07-10 13:47:08
● 2026-07-11 07:29:28
○ 2026-07-11 09:48:52
○ 2026-07-11 15:09:30

○A18.155.21.312026-07-09 → 2026-07-11 · 8 obs

○ 2026-07-07 16:45:12
● 2026-07-09 14:38:08
○ 2026-07-09 18:54:44
● 2026-07-09 22:50:52
○ 2026-07-10 13:47:08
● 2026-07-11 07:29:28
○ 2026-07-11 09:48:52
○ 2026-07-11 15:09:30

○A18.155.21.52026-07-09 → 2026-07-11 · 8 obs

○ 2026-07-07 16:45:12
● 2026-07-09 14:38:08
○ 2026-07-09 18:54:44
● 2026-07-09 22:50:52
○ 2026-07-10 13:47:08
● 2026-07-11 07:29:28
○ 2026-07-11 09:48:52
○ 2026-07-11 15:09:30

○A18.155.21.722026-07-09 → 2026-07-11 · 8 obs

○ 2026-07-07 16:45:12
● 2026-07-09 14:38:08
○ 2026-07-09 18:54:44
● 2026-07-09 22:50:52
○ 2026-07-10 13:47:08
● 2026-07-11 07:29:28
○ 2026-07-11 09:48:52
○ 2026-07-11 15:09:30

○A54.85.65.1682015-07-14 → 2017-04-01 · 4 obs

● 2015-07-14 04:38:10
● 2017-04-01 02:33:12
○ 2026-03-26 21:23:30
○ 2026-07-11 15:09:30

○A99.84.41.1022026-07-07 → 2026-07-10 · 6 obs

○ 2026-07-05 11:16:10
● 2026-07-07 16:45:12
○ 2026-07-09 14:38:08
● 2026-07-10 13:47:08
○ 2026-07-11 07:29:28
○ 2026-07-11 15:09:30

○A99.84.41.1032026-07-07 → 2026-07-10 · 6 obs

○ 2026-07-05 11:16:10
● 2026-07-07 16:45:12
○ 2026-07-09 14:38:08
● 2026-07-10 13:47:08
○ 2026-07-11 07:29:28
○ 2026-07-11 15:09:30

○A99.84.41.382026-07-07 → 2026-07-10 · 6 obs

○ 2026-07-05 11:16:10
● 2026-07-07 16:45:12
○ 2026-07-09 14:38:08
● 2026-07-10 13:47:08
○ 2026-07-11 07:29:28
○ 2026-07-11 15:09:30

○A99.84.41.682026-07-07 → 2026-07-10 · 6 obs

○ 2026-07-05 11:16:10
● 2026-07-07 16:45:12
○ 2026-07-09 14:38:08
● 2026-07-10 13:47:08
○ 2026-07-11 07:29:28
○ 2026-07-11 15:09:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
k2btools.com	ns-78.awsdns-09.com, ns-716.awsdns-25.net, ns-1249.awsdns-28.org, ns-1998.awsdns-57.co.uk	2 records

✅ Authoritative Response

Server:205.251.199.206

NS records: ns-78.awsdns-09.com, ns-716.awsdns-25.net, ns-1249.awsdns-28.org, ns-1998.awsdns-57.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for k2btools.com (unsigned zone)

⏱️ Timing

Total: 287ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.35.78.45, 13.35.78.19...`
NS	4	`ns-1249.awsdns-28.org, ns-1998.awsdns-57.co.uk...`
MX	5	`aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...`
TXT	3	`3of8qradtmr6v60o7l14i8ig0i, google-site-verification=ugkxvUDz3FhaEe-...`
SOA	1	`ns-716.awsdns-25.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-78.awsdns-09.com, ns-78.awsdns-09.com)

Analysis

IP Addresses

k2btools.com points to the four IP addresses 13.35.78.19, 13.35.78.44, 13.35.78.45 and 13.35.78.91.

hillofhope.co.kr, rwcnt.com, wetter-pattensen.de and two other host names share IP numbers with k2btools.com.

Name Servers

The authoritative name servers for k2btools.com are ns-78.awsdns-09.com, ns-716.awsdns-25.net, ns-1249.awsdns-28.org and ns-1998.awsdns-57.co.uk.

There is at least partial name server overlap between k2btools.com and other domains — siteassist.biz, book-a-hotel-in-odense.com, cbp-qa.com and two more among them.

The name servers ns-1959.awsdns-52.co.uk, ns-508.awsdns-63.com and ns-1288.awsdns-33.org are often found in combination with these name servers.

All four hostnames — ns-78.awsdns-09.com, ns-716.awsdns-25.net, ns-1249.awsdns-28.org and ns-1998.awsdns-57.co.uk — resolve to two IP numbers apiece: ns-78.awsdns-09.com to 205.251.192.78 and 2600:9000:5300:4e00::1; ns-716.awsdns-25.net to 205.251.194.204 and 2600:9000:5302:cc00::1; ns-1249.awsdns-28.org to 205.251.196.225 and 2600:9000:5304:e100::1; ns-1998.awsdns-57.co.uk to 205.251.199.206 and 2600:9000:5307:ce00::1.

Mail Servers

k2btools.com has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

k2btools.com has at least partial mail server overlap with other domains such as ns500759.ns500698.ns500698.ns500698.ns500759.ns500698.ns500698.ns500736.ns500698.ns500735.ns500708.ns500698.ns500708.ns500652.trackreceptor.com, ns500693.ns500734.ns500699.ns500699.ns500693.ns500699.ns500693.ns500699.ns500699.ns500699.ns500588.ns500683.ns500588.ns500632.ns500588.ns500112.dtrkdll.com, ns500754.ns500742.ns500731.ns500731.ns500705.ns500671.ns500705.ns500704.ns500649.lusty(0x736c7574)z.com and two more.

These mail servers commonly co-occur with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Hostnames that resolve to two IP addresses:

The A records for aspmx.l.google.com return 142.251.16.26 and 2607:f8b0:4004:c0b::1a.

The A records for alt1.aspmx.l.google.com return 108.177.123.26 and 2800:3f0:4003:c0f::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.

The A records for alt3.aspmx.l.google.com return 192.178.223.27 and 2a00:1450:4009:c0f::1b.

The A records for alt4.aspmx.l.google.com return 172.253.157.26 and 2a00:1450:400c:c23::1a.