knowbase.com - dns.ninja

`knowbase.com`

DNSSEC	⚠️ Not signed
A	3.128.158.214^{🇺🇸 Amazon3.128.0.0/15 EC2 CMH prefix}
		PTR	`ec2-3-128-158-214.us-east-2.compute.amazonaws.com`
NS	`ns-1400.awsdns-47.org` ⭐
		A	2600:9000:5305:7800::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1400.awsdns-47.org`
		A	205.251.197.120^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1400.awsdns-47.org`
NS	`ns-1560.awsdns-03.co.uk`
		A	2600:9000:5306:1800::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1560.awsdns-03.co.uk`
		A	205.251.198.24^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1560.awsdns-03.co.uk`
NS	`ns-7.awsdns-00.com`
		A	2600:9000:5300:700::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-7.awsdns-00.com`
		A	205.251.192.7^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-7.awsdns-00.com`
NS	`ns-708.awsdns-24.net`
		A	2600:9000:5302:c400::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-708.awsdns-24.net`
		A	205.251.194.196^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-708.awsdns-24.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c06::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f26.1e100.net`
		A	172.253.115.26^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 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::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	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx4.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`aspmx5.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`1iipv4gc3idcovrkeagvsctfee`
TXT	`76f90bm94276ssucv6h42rf4m`
TXT	`DZC=GKf8GDAE`
TXT	`v4m7cgpk0kjt3ifq73e9mll1da`
TXT	`v=spf1 include:_spf.google.com a mx ptr ~all`
SOA	`ns-1400.awsdns-47.org`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=1782592800

Subdomains

apps.knowbase.com

vipauto.knowbase.com

Same first word

knowbase.co.za

knowbase.it

knowbase.info

knowbase.ru

knowbase.blog

knowbase.net

knowbase.de

knowbase.com

Similar names

skawboen.dk

baseknow.com

wesbanko.biz

ksbaowen.com

wesbanko.info

boskwena.com

bokanews.me

kwanseob.blogspot.kr

wesbanko.us

sankoweb.net

sankoweb.fi

wesbanko.com

wesbanko.net

sankoweb.co.jp

websanko.com

askonweb.com

DNS History

16 records (12 active, 4 former)

●NSns-1400.awsdns-47.org2026-02-19 → 2026-06-27 · 3 obs

○ 2018-10-01 07:04:16
● 2026-02-19 14:07:00
● 2026-06-27 20:56:20

●NSns-1560.awsdns-03.co.uk2026-02-19 → 2026-06-27 · 3 obs

○ 2018-10-01 07:04:16
● 2026-02-19 14:07:00
● 2026-06-27 20:56:20

●NSns-7.awsdns-00.com2026-02-19 → 2026-06-27 · 3 obs

○ 2018-10-01 07:04:16
● 2026-02-19 14:07:00
● 2026-06-27 20:56:20

●NSns-708.awsdns-24.net2026-02-19 → 2026-06-27 · 3 obs

○ 2018-10-01 07:04:16
● 2026-02-19 14:07:00
● 2026-06-27 20:56:20

○NSns.newhousecom.com2009-01-08 → 2018-10-01 · 4 obs

● 2009-01-08 21:48:54
● 2018-10-01 07:04:16
○ 2026-02-19 14:07:00
○ 2026-06-27 20:56:20

○NSns2.newhousecom.com2009-01-08 → 2018-10-01 · 4 obs

● 2009-01-08 21:48:54
● 2018-10-01 07:04:16
○ 2026-02-19 14:07:00
○ 2026-06-27 20:56:20

●MXalt1.aspmx.l.google.com2009-01-08 → 2026-06-27 · 2 obs

● 2009-01-08 21:48:54
● 2026-06-27 20:56:20

●MXalt2.aspmx.l.google.com2009-01-08 → 2026-06-27 · 2 obs

● 2009-01-08 21:48:54
● 2026-06-27 20:56:20

●MXaspmx.l.google.com2009-01-08 → 2026-06-27 · 2 obs

● 2009-01-08 21:48:54
● 2026-06-27 20:56:20

●MXaspmx2.googlemail.com2009-01-08 → 2026-06-27 · 2 obs

● 2009-01-08 21:48:54
● 2026-06-27 20:56:20

●MXaspmx3.googlemail.com2009-01-08 → 2026-06-27 · 2 obs

● 2009-01-08 21:48:54
● 2026-06-27 20:56:20

●MXaspmx4.googlemail.com2009-01-08 → 2026-06-27 · 2 obs

● 2009-01-08 21:48:54
● 2026-06-27 20:56:20

●MXaspmx5.googlemail.com2009-01-08 → 2026-06-27 · 2 obs

● 2009-01-08 21:48:54
● 2026-06-27 20:56:20

●A3.128.158.2142026-02-19 → 2026-06-27 · 3 obs

○ 2018-10-01 07:04:16
● 2026-02-19 14:07:00
● 2026-06-27 20:56:20

○A66.218.185.282009-01-08 → 2009-01-08 · 3 obs

● 2009-01-08 21:48:54
○ 2015-08-25 07:25:04
○ 2026-06-27 20:56:20

○A66.218.185.32015-08-25 → 2018-10-01 · 5 obs

○ 2009-01-08 21:48:54
● 2015-08-25 07:25:04
● 2018-10-01 07:04:16
○ 2026-02-19 14:07:00
○ 2026-06-27 20:56:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
knowbase.com	ns-7.awsdns-00.com, ns-708.awsdns-24.net, ns-1560.awsdns-03.co.uk, ns-1400.awsdns-47.org	2 records

✅ Authoritative Response

Server:205.251.194.196

NS records: ns-7.awsdns-00.com, ns-708.awsdns-24.net, ns-1560.awsdns-03.co.uk, ns-1400.awsdns-47.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowbase.com (unsigned zone)

⏱️ Timing

Total: 465ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.128.158.214`
NS	4	`ns-1400.awsdns-47.org, ns-1560.awsdns-03.co.uk...`
MX	7	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	5	`1iipv4gc3idcovrkeagvsctfee, 76f90bm94276ssucv6h42rf4m...`
SOA	1	`ns-1400.awsdns-47.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-7.awsdns-00.com, ns-7.awsdns-00.com)

Analysis

Hierarchy

apps.knowbase.com and vipauto.knowbase.com each fall under knowbase.com as their parent domain.

IP Addresses

knowbase.com resolves to just one IP address, 3.128.158.214.

The host names apps.knowbase.com, apps02.rtolms.com, ec2-3-128-158-214.us-east-2.compute.amazonaws.com and rtolms.com all share IP numbers with knowbase.com.

Name Servers

The NS records for knowbase.com point to four name servers: ns-7.awsdns-00.com, ns-708.awsdns-24.net, ns-1400.awsdns-47.org and ns-1560.awsdns-03.co.uk.

knowbase.com shares at least some of its name servers with other domains, including klarnarechnung.de, hgtvglobetraveler.com, easylaser.no and two others.

These name servers are frequently paired with the name servers ns-100.awsdns-12.com, ns-1444.awsdns-52.org and ns-1697.awsdns-20.co.uk.

The host names ns-7.awsdns-00.com, ns-708.awsdns-24.net, ns-1400.awsdns-47.org and ns-1560.awsdns-03.co.uk each resolve to two IP addresses: ns-7.awsdns-00.com resolves to 205.251.192.7 and 2600:9000:5300:700::1; ns-708.awsdns-24.net resolves to 205.251.194.196 and 2600:9000:5302:c400::1; ns-1400.awsdns-47.org resolves to 205.251.197.120 and 2600:9000:5305:7800::1; ns-1560.awsdns-03.co.uk resolves to 205.251.198.24 and 2600:9000:5306:1800::1.

Mail Servers

knowbase.com is handled by 7 mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.

There is at least a partial MX overlap between knowbase.com and other domains, including ns500693.ns500693.ns500734.ns500699.ns500699.ns500734.ns500693.ns500693.ns500588.ns500588.ns500683.ns500683.ns500612.ns500578.ns500110.dtrkdll.com, ns500671.ns500754.ns500671.ns500671.ns500731.ns500671.ns500705.ns500705.ns500688.ns500671.ns500688.tenderladiesbz.com, ns500671.ns500754.ns500754.ns500671.ns500731.ns500731.ns500678.ns500688.ns500704.ns500291.ns500291.ns500671.ns500666.ns500153.tenderladiesbz.com and two others.

These mail servers tend to appear in combination with mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and 3 others.

Host names that have two IP addresses:

aspmx2.googlemail.com has two IP addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.

aspmx4.googlemail.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.

aspmx5.googlemail.com has two IP addresses: 172.253.157.27 and 2a00:1450:400c:c23::1a.

aspmx.l.google.com has two IP addresses: 172.253.115.26 and 2607:f8b0:4004:c06::1a.

alt1.aspmx.l.google.com has two IP addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.26 and 2a00:1450:400b:c02::1a.

Host names pointing to 2800:3f0:4003:c0f::1a IP addresses: aspmx2.googlemail.com and alt1.aspmx.l.google.com.

Host names pointing to 108.177.123.26 IP addresses: aspmx2.googlemail.com and alt1.aspmx.l.google.com.