`businessweek.com`

DNSSEC	⚠️ Not signed
A	3.33.146.110^{🇺🇸 Amazon3.33.144.0/20}
		PTR	`aa2f66099ca87b6fe.awsglobalaccelerator.com`
A	15.197.146.156^{🇺🇸 Amazon15.197.144.0/20}
NS	`dns1.p01.nsone.net` ⭐
		A	2620:4d:4000:6259:7:1:0:1^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns1.p01.nsone.net`
		A	198.51.44.1^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns1.p01.nsone.net`
NS	`dns2.p01.nsone.net` 🔒
		A	2a00:edc0:6259:7:1::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p01.nsone.net`
		A	198.51.45.1^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns2.p01.nsone.net`
NS	`dns3.p01.nsone.net` 🔒
		A	2620:4d:4000:6259:7:1:0:3^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns3.p01.nsone.net`
		A	198.51.44.65^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns3.p01.nsone.net`
NS	`dns4.p01.nsone.net`
		A	2a00:edc0:6259:7:1::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p01.nsone.net`
		A	198.51.45.65^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns4.p01.nsone.net`
NS	`pdns1.ultradns.net`
		A	2001:502:f3ff::1^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns1.ultradns.net`
		A	204.74.108.1^{🇺🇸 MAINT-ID-12008204.74.108.0/24 Neustar}
			PTR	`pdns1.ultradns.net`
NS	`pdns3.ultradns.org`
		A	2610:a1:1015::1^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns3.ultradns.org`
		A	199.7.68.1^{🇺🇸 MAINT-ID-12008199.7.68.0/24 Neustar}
			PTR	`pdns3.ultradns.org`
NS	`pdns5.ultradns.info`
		A	2610:a1:1016::1^{🇺🇸 MAINT-ID-120082610:a1:1016::/48 Neustar}
			PTR	`pdns5.ultradns.info`
		A	204.74.114.1^{🇺🇸 MAINT-ID-12008204.74.114.0/24 Neustar}
			PTR	`pdns5.ultradns.info`
MX	`mx2a.igslb.bloomberg.net` ⭐
		A	69.191.192.151^{🇺🇸 UNSPECIFIED69.191.192.0/24 Bloomberg Financial Markets Limited Partnership}
			PTR	`mgny1.bloomberg.net`
MX	`mx3a.igslb.bloomberg.net` ⭐
		A	69.191.192.20^{🇺🇸 UNSPECIFIED69.191.192.0/24 Bloomberg Financial Markets Limited Partnership}
			PTR	`mgny2.bloomberg.net`
MX	`mx3b.igslb.bloomberg.net` ⭐
		A	69.191.192.21^{🇺🇸 UNSPECIFIED69.191.192.0/24 Bloomberg Financial Markets Limited Partnership}
			PTR	`mgny3.bloomberg.net`
MX	`mx3c.igslb.bloomberg.net` ⭐
		A	69.191.244.214^{🇺🇸 UNSPECIFIED69.191.244.0/24 Bloomberg Financial Markets Limited Partnership}
			PTR	`mgnj20.bloomberg.net`
MX	`mx4a.igslb.bloomberg.net` ⭐
		A	69.191.244.26^{🇺🇸 UNSPECIFIED69.191.244.0/24 Bloomberg Financial Markets Limited Partnership}
			PTR	`mgnj8.bloomberg.net`
MX	`mx4b.igslb.bloomberg.net` ⭐
		A	69.191.192.167^{🇺🇸 UNSPECIFIED69.191.192.0/24 Bloomberg Financial Markets Limited Partnership}
			PTR	`mgny22.bloomberg.net`
MX	`mx4c.igslb.bloomberg.net` ⭐
		A	69.191.192.168^{🇺🇸 UNSPECIFIED69.191.192.0/24 Bloomberg Financial Markets Limited Partnership}
			PTR	`mgny23.bloomberg.net`
MX	`mx4d.igslb.bloomberg.net` ⭐
		A	69.191.244.35^{🇺🇸 UNSPECIFIED69.191.244.0/24 Bloomberg Financial Markets Limited Partnership}
			PTR	`mgnj21.bloomberg.net`
TXT	`spf2.0/pra ?all`
TXT	`v=spf1 mx a:bwnt.businessweek.com include:jangomail.com include:bloomberg.com...`
SOA	`dns1.p01.nsone.net`dnsmaster@bloomberg.com 2013-07-22 #61

`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=1771291435

rank #1187 globally
rank #650 in the tld
WOT: SAFE (93/100)
📈 Tranco rank: #4,753

Subdomains

subscribe.businessweek.com

investing.businessweek.com

www.businessweek.com

Same first word

Similar names

bussinesweek.com

bsuinessweek.com

busniessweek.com

weekbusiness.com

DNS History

40 records (17 active, 23 former)

○NSa1.verisigndns.com2015-09-01 → 2018-02-15 · 4 obs

● 2015-09-01 08:20:30
● 2018-02-15 22:25:38
○ 2020-06-05 22:11:12
○ 2026-03-19 05:18:30

○NSa2.verisigndns.com2015-09-01 → 2018-02-15 · 4 obs

● 2015-09-01 08:20:30
● 2018-02-15 22:25:38
○ 2020-06-05 22:11:12
○ 2026-03-19 05:18:30

○NSa3.verisigndns.com2015-09-01 → 2018-02-15 · 4 obs

● 2015-09-01 08:20:30
● 2018-02-15 22:25:38
○ 2020-06-05 22:11:12
○ 2026-03-19 05:18:30

●NSdns1.p01.nsone.net2020-06-05 → 2026-03-19 · 3 obs

○ 2018-02-15 22:25:38
● 2020-06-05 22:11:12
● 2026-03-19 05:18:30

●NSdns2.p01.nsone.net2020-06-05 → 2026-03-19 · 3 obs

○ 2018-02-15 22:25:38
● 2020-06-05 22:11:12
● 2026-03-19 05:18:30

●NSdns3.p01.nsone.net2020-06-05 → 2026-03-19 · 3 obs

○ 2018-02-15 22:25:38
● 2020-06-05 22:11:12
● 2026-03-19 05:18:30

●NSdns4.p01.nsone.net2020-06-05 → 2026-03-19 · 3 obs

○ 2018-02-15 22:25:38
● 2020-06-05 22:11:12
● 2026-03-19 05:18:30

●NSpdns1.ultradns.net2015-09-01 → 2026-03-19 · 2 obs

● 2015-09-01 08:20:30
● 2026-03-19 05:18:30

●NSpdns3.ultradns.org2015-09-01 → 2026-03-19 · 2 obs

● 2015-09-01 08:20:30
● 2026-03-19 05:18:30

●NSpdns5.ultradns.info2015-09-01 → 2026-03-19 · 2 obs

● 2015-09-01 08:20:30
● 2026-03-19 05:18:30

○MXmgnj11.bloomberg.net2020-06-05 → 2020-09-05 · 5 obs

○ 2018-02-15 22:25:38
● 2020-06-05 22:11:12
● 2020-09-05 17:32:16
○ 2026-02-17 03:08:02
○ 2026-03-19 05:18:30

○MXmgnj4.bloomberg.net2015-09-01 → 2018-02-15 · 4 obs

● 2015-09-01 08:20:30
● 2018-02-15 22:25:38
○ 2020-06-05 22:11:12
○ 2026-03-19 05:18:30

○MXmgnj6.bloomberg.net2015-09-01 → 2018-02-15 · 4 obs

● 2015-09-01 08:20:30
● 2018-02-15 22:25:38
○ 2020-06-05 22:11:12
○ 2026-03-19 05:18:30

○MXmgnj7.bloomberg.net2015-09-01 → 2018-02-15 · 4 obs

● 2015-09-01 08:20:30
● 2018-02-15 22:25:38
○ 2020-06-05 22:11:12
○ 2026-03-19 05:18:30

○MXmgnj8.bloomberg.net2015-09-01 → 2018-02-15 · 4 obs

● 2015-09-01 08:20:30
● 2018-02-15 22:25:38
○ 2020-06-05 22:11:12
○ 2026-03-19 05:18:30

○MXmgny1.bloomberg.net2015-09-01 → 2018-02-15 · 4 obs

● 2015-09-01 08:20:30
● 2018-02-15 22:25:38
○ 2020-06-05 22:11:12
○ 2026-03-19 05:18:30

○MXmgny11.bloomberg.net2020-06-05 → 2020-09-05 · 5 obs

○ 2018-02-15 22:25:38
● 2020-06-05 22:11:12
● 2020-09-05 17:32:16
○ 2026-02-17 03:08:02
○ 2026-03-19 05:18:30

○MXmgny2.bloomberg.net2015-09-01 → 2018-02-15 · 4 obs

● 2015-09-01 08:20:30
● 2018-02-15 22:25:38
○ 2020-06-05 22:11:12
○ 2026-03-19 05:18:30

○MXmgny3.bloomberg.net2015-09-01 → 2018-02-15 · 4 obs

● 2015-09-01 08:20:30
● 2018-02-15 22:25:38
○ 2020-06-05 22:11:12
○ 2026-03-19 05:18:30

○MXmgny8.bloomberg.net2015-09-01 → 2018-02-15 · 4 obs

● 2015-09-01 08:20:30
● 2018-02-15 22:25:38
○ 2020-06-05 22:11:12
○ 2026-03-19 05:18:30

●MXmx2a.igslb.bloomberg.net2026-02-17 → 2026-03-19 · 3 obs

○ 2020-09-05 17:32:16
● 2026-02-17 03:08:02
● 2026-03-19 05:18:30

●MXmx3a.igslb.bloomberg.net2026-02-17 → 2026-03-19 · 3 obs

○ 2020-09-05 17:32:16
● 2026-02-17 03:08:02
● 2026-03-19 05:18:30

●MXmx3b.igslb.bloomberg.net2026-02-17 → 2026-03-19 · 3 obs

○ 2020-09-05 17:32:16
● 2026-02-17 03:08:02
● 2026-03-19 05:18:30

●MXmx3c.igslb.bloomberg.net2026-02-17 → 2026-03-19 · 3 obs

○ 2020-09-05 17:32:16
● 2026-02-17 03:08:02
● 2026-03-19 05:18:30

●MXmx4a.igslb.bloomberg.net2026-02-17 → 2026-03-19 · 3 obs

○ 2020-09-05 17:32:16
● 2026-02-17 03:08:02
● 2026-03-19 05:18:30

●MXmx4b.igslb.bloomberg.net2026-02-17 → 2026-03-19 · 3 obs

○ 2020-09-05 17:32:16
● 2026-02-17 03:08:02
● 2026-03-19 05:18:30

●MXmx4c.igslb.bloomberg.net2026-02-17 → 2026-03-19 · 3 obs

○ 2020-09-05 17:32:16
● 2026-02-17 03:08:02
● 2026-03-19 05:18:30

●MXmx4d.igslb.bloomberg.net2026-02-17 → 2026-03-19 · 3 obs

○ 2020-09-05 17:32:16
● 2026-02-17 03:08:02
● 2026-03-19 05:18:30

○MXmxnj1.bloomberg.net2020-06-05 → 2020-09-05 · 5 obs

○ 2018-02-15 22:25:38
● 2020-06-05 22:11:12
● 2020-09-05 17:32:16
○ 2026-02-17 03:08:02
○ 2026-03-19 05:18:30

○MXmxnj2.bloomberg.net2020-06-05 → 2020-09-05 · 5 obs

○ 2018-02-15 22:25:38
● 2020-06-05 22:11:12
● 2020-09-05 17:32:16
○ 2026-02-17 03:08:02
○ 2026-03-19 05:18:30

○MXmxny1.bloomberg.net2020-06-05 → 2020-09-05 · 5 obs

○ 2018-02-15 22:25:38
● 2020-06-05 22:11:12
● 2020-09-05 17:32:16
○ 2026-02-17 03:08:02
○ 2026-03-19 05:18:30

○MXmxny2.bloomberg.net2020-06-05 → 2020-09-05 · 5 obs

○ 2018-02-15 22:25:38
● 2020-06-05 22:11:12
● 2020-09-05 17:32:16
○ 2026-02-17 03:08:02
○ 2026-03-19 05:18:30

●A15.197.146.1562026-02-17 → 2026-03-19 · 3 obs

○ 2020-09-05 17:32:16
● 2026-02-17 03:08:02
● 2026-03-19 05:18:30

●A3.33.146.1102026-02-17 → 2026-03-19 · 3 obs

○ 2020-09-05 17:32:16
● 2026-02-17 03:08:02
● 2026-03-19 05:18:30

○A69.187.23.202017-08-26 → 2020-09-05 · 5 obs

○ 2017-07-27 04:37:08
● 2017-08-26 10:57:04
● 2020-09-05 17:32:16
○ 2026-02-17 03:08:02
○ 2026-03-19 05:18:30

○A69.187.24.112020-06-05 → 2020-09-05 · 5 obs

○ 2017-08-26 10:57:04
● 2020-06-05 22:11:12
● 2020-09-05 17:32:16
○ 2026-02-17 03:08:02
○ 2026-03-19 05:18:30

○A69.191.215.142015-09-01 → 2017-07-27 · 4 obs

● 2015-09-01 08:20:30
● 2017-07-27 04:37:08
○ 2017-08-26 10:57:04
○ 2026-03-19 05:18:30

○A69.191.252.112020-06-05 → 2020-09-05 · 5 obs

○ 2017-08-26 10:57:04
● 2020-06-05 22:11:12
● 2020-09-05 17:32:16
○ 2026-02-17 03:08:02
○ 2026-03-19 05:18:30

○A69.191.252.142015-09-01 → 2017-07-27 · 4 obs

● 2015-09-01 08:20:30
● 2017-07-27 04:37:08
○ 2017-08-26 10:57:04
○ 2026-03-19 05:18:30

○A69.191.252.1482017-08-26 → 2020-09-05 · 5 obs

○ 2017-07-27 04:37:08
● 2017-08-26 10:57:04
● 2020-09-05 17:32:16
○ 2026-02-17 03:08:02
○ 2026-03-19 05:18:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net...	-
businessweek.com	pdns3.ultradns.org, pdns1.ultradns.net, pdns5.ultradns.info, dns1.p01.nsone.net...	-

✅ Authoritative Response

Server: 198.51.44.65

NS records: pdns3.ultradns.org, pdns1.ultradns.net, pdns5.ultradns.info, dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for businessweek.com (unsigned zone)

⏱️ Timing

Total: 668ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`3.33.146.110, 15.197.146.156`
NS	7	`dns1.p01.nsone.net, dns2.p01.nsone.net...`
MX	8	`mx2a.igslb.bloomberg.net (pri: 0), mx3a.igslb.bloomberg.net (pri: 0)...`
TXT	2	`spf2.0/pra ?all, v=spf1 mx a:bwnt.businessweek.com includ`
SOA	1	`dns1.p01.nsone.net dnsmaster.bloomberg.c`

Analysis

Hierarchy

businessweek.com is the parent of subscribe.businessweek.com, investing.businessweek.com and www.businessweek.com.

IP Addresses

businessweek.com resolves to two IP numbers: 3.33.146.110 and 15.197.146.156.

other host names including bloomberg.com.mx, toc-x.net, bloombergapps.com, toc-x.com and bloombergcms.com share IP numbers with businessweek.com.

Name Servers

businessweek.com is delegated to seven name servers: pdns5.ultradns.info, pdns1.ultradns.net, pdns3.ultradns.org, dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net and dns4.p01.nsone.net.

businessweek.com at least partially shares name servers with other domains, for instance ricardodavid.com, crown89.net, expeidiacreditcard.com, chandlersales.com and la-banquise.fr.

These name servers are commonly used with the following name servers: pdns2.ultradns.net, pdns4.ultradns.org, pdns6.ultradns.co.uk, ns01.squarespacedns.com, ns02.squarespacedns.com, ns03.squarespacedns.com, ns04.squarespacedns.com, ns01.jnjdns.com, ns02.jnjdns.com and ns03.jnjdns.com.

Host names with two IP numbers:

pdns5.ultradns.info points to: 2610:a1:1016::1 and 204.74.114.1.

pdns1.ultradns.net points to: 2001:502:f3ff::1 and 204.74.108.1.

pdns3.ultradns.org points to: 2610:a1:1015::1 and 199.7.68.1.

dns1.p01.nsone.net points to: 2620:4d:4000:6259:7:1:0:1 and 198.51.44.1.

dns2.p01.nsone.net points to: 2a00:edc0:6259:7:1::2 and 198.51.45.1.

dns3.p01.nsone.net points to: 2620:4d:4000:6259:7:1:0:3 and 198.51.44.65.

dns4.p01.nsone.net points to: 2a00:edc0:6259:7:1::4 and 198.51.45.65.

Mail Servers

businessweek.com is handled by eight mail servers: mx2a.igslb.bloomberg.net, mx3a.igslb.bloomberg.net, mx3b.igslb.bloomberg.net, mx3c.igslb.bloomberg.net, mx4a.igslb.bloomberg.net, mx4b.igslb.bloomberg.net, mx4c.igslb.bloomberg.net and mx4d.igslb.bloomberg.net.

businessweek.com shares some mail servers with other domains, at least partially, for instance polarlake.com, bloomberg.net, bloombergsdr.com, rtsgroup.net and green-markets.com.