`knowbusiness.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns1.afternic.com` ⭐
		A	2603:5:2126::45^{🇺🇸 GODADDY-DNS2603:5:2120::/44}
			PTR	`ns1.afternic.com`
		A	97.74.98.69^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns1.afternic.com`
NS	`ns2.afternic.com`
		A	2603:5:2226::45^{🇺🇸 GODADDY-DNS2603:5:2220::/44}
			PTR	`ns2.afternic.com`
		A	173.201.66.69^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns2.afternic.com`
NS	`verification-kqnr5ht7z8pnvuelk6t645.ns101.verify.hn` ⚠️ Not in zone NS records
		A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`
		A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`
TXT	`v=spf1 -all`
SOA	`ns1.afternic.com`dns@jomax.net 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=1774407527

Same first word

knowbusiness.com

Similar names

kwonbusiness.com

DNS History

18 records (5 active, 13 former)

○NSno-dyn-updates.san.yahoo.com2015-07-03 → 2015-07-03 · 3 obs

● 2015-07-03 04:51:14
○ 2015-11-22 02:23:08
○ 2026-03-25 03:09:52

●NSns1.afternic.com2026-03-23 → 2026-03-25 · 3 obs

○ 2018-08-27 15:10:30
● 2026-03-23 14:41:20
● 2026-03-25 03:09:52

●NSns2.afternic.com2026-03-23 → 2026-03-25 · 3 obs

○ 2018-08-27 15:10:30
● 2026-03-23 14:41:20
● 2026-03-25 03:09:52

○NSns29.domaincontrol.com2015-11-22 → 2018-08-27 · 5 obs

○ 2015-07-03 04:51:14
● 2015-11-22 02:23:08
● 2018-08-27 15:10:30
○ 2026-03-23 14:41:20
○ 2026-03-25 03:09:52

○NSns30.domaincontrol.com2015-11-22 → 2018-08-27 · 5 obs

○ 2015-07-03 04:51:14
● 2015-11-22 02:23:08
● 2018-08-27 15:10:30
○ 2026-03-23 14:41:20
○ 2026-03-25 03:09:52

●NSverification-kqnr5ht7z8pnvuelk6t645.ns101.verify.hn2026-03-23 → 2026-03-25 · 3 obs

○ 2018-08-27 15:10:30
● 2026-03-23 14:41:20
● 2026-03-25 03:09:52

○NSyns1.yahoo.com2015-07-03 → 2015-07-03 · 3 obs

● 2015-07-03 04:51:14
○ 2015-11-22 02:23:08
○ 2026-03-25 03:09:52

○NSyns2.yahoo.com2015-07-03 → 2015-07-03 · 3 obs

● 2015-07-03 04:51:14
○ 2015-11-22 02:23:08
○ 2026-03-25 03:09:52

○MXknowbusiness-com.mail.protection.outlook.com2018-08-27 → 2018-08-27 · 4 obs

○ 2017-02-08 05:56:54
● 2018-08-27 15:10:30
○ 2026-03-23 14:41:20
○ 2026-03-25 03:09:52

○MXmailstore1.secureserver.net2015-11-22 → 2017-02-08 · 5 obs

○ 2015-07-03 04:51:14
● 2015-11-22 02:23:08
● 2017-02-08 05:56:54
○ 2018-08-27 15:10:30
○ 2026-03-25 03:09:52

○MXmx-biz.mail.am0.yahoodns.net2015-07-03 → 2015-07-03 · 3 obs

● 2015-07-03 04:51:14
○ 2015-11-22 02:23:08
○ 2026-03-25 03:09:52

○MXsmtp.secureserver.net2015-11-22 → 2017-02-08 · 5 obs

○ 2015-07-03 04:51:14
● 2015-11-22 02:23:08
● 2017-02-08 05:56:54
○ 2018-08-27 15:10:30
○ 2026-03-25 03:09:52

●A13.248.169.482026-03-23 → 2026-03-25 · 3 obs

○ 2018-08-27 15:10:30
● 2026-03-23 14:41:20
● 2026-03-25 03:09:52

○A13.248.213.452026-03-23 → 2026-03-25 · 2 obs

○ 2026-03-23 14:41:20
○ 2026-03-25 03:09:52

○A50.63.202.622015-11-22 → 2018-08-27 · 5 obs

○ 2015-07-03 04:51:14
● 2015-11-22 02:23:08
● 2018-08-27 15:10:30
○ 2026-03-23 14:41:20
○ 2026-03-25 03:09:52

●A76.223.54.1462026-03-23 → 2026-03-25 · 3 obs

○ 2018-08-27 15:10:30
● 2026-03-23 14:41:20
● 2026-03-25 03:09:52

○A76.223.67.1892026-03-23 → 2026-03-25 · 2 obs

○ 2026-03-23 14:41:20
○ 2026-03-25 03:09:52

○A98.138.19.1432015-07-03 → 2015-07-03 · 3 obs

● 2015-07-03 04:51:14
○ 2015-11-22 02:23:08
○ 2026-03-25 03:09:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
knowbusiness.com	ns1.afternic.com, ns2.afternic.com, verification-kqnr5ht7z8pnvuelk6t645.ns101.verify.hn	4 records

✅ Authoritative Response

Server:97.74.98.69

NS records: ns1.afternic.com, ns2.afternic.com, verification-kqnr5ht7z8pnvuelk6t645.ns101.verify.hn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowbusiness.com (unsigned zone)

⏱️ Timing

Total: 3281ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`76.223.54.146, 13.248.169.48`
NS	2	`ns1.afternic.com, ns2.afternic.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns1.afternic.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)

Analysis

IP Addresses

Two IP numbers are pointed to by knowbusiness.com: 13.248.169.48 and 76.223.54.146.

other host names include johotech.com, fm3.mature(0x736578)-films.startspot.nl, terigi.com, kelege.com and www.quantumphotobook.net; they share IP numbers with knowbusiness.com.

Name Servers

knowbusiness.com is delegated to three name servers ns1.afternic.com, ns2.afternic.com and verification-kqnr5ht7z8pnvuelk6t645.ns101.verify.hn.

knowbusiness.com at least partially shares name servers with other domains, for instance tuolin.com, sunlesstan.com, reportersguild.com, sdsistemi.com and pcsh.com.

These name servers are commonly used with the following: verification-urj2ap2akmgcchkhharttb.ns101.verify.hn, verification-vesbet7nkettdw2mc9cgox.ns101.verify.hn, verification-ag3xtxqjhqhiyarqdrht2l.ns101.verify.hn and verification-473qyxh8xbjjrpje5vyzxa.ns101.verify.hn.

Host names with two IP numbers:

ns1.afternic.com points to 2603:5:2126::45 and 97.74.98.69; ns2.afternic.com points to 2603:5:2226::45 and 173.201.66.69; verification-kqnr5ht7z8pnvuelk6t645.ns101.verify.hn points to 13.248.169.48 and 76.223.54.146.

knowbusiness.com - robtex.com