studbo.se - dns.ninja

`studbo.se`

DNSSEC	⚠️ Not signed
NS	`ns1.f5clouddns.com` ⭐
		A	2604:e180:1071::3:1^{🇺🇸 DEFENSENET-12604:e180::/32 F5, Inc. 801 5th Ave Seattle WA 98104 United States}
		A	107.162.234.197^{🇺🇸 DEFENSENET-1107.162.234.0/24 F5 via EMIX}
NS	`ns2.f5clouddns.com`
		A	2604:e180:1071::ffff:6ba2:b0dd^{🇺🇸 DEFENSENET-12604:e180::/32 F5, Inc. 801 5th Ave Seattle WA 98104 United States}
		A	107.162.176.221^{🇺🇸 DEFENSENET-1107.162.176.0/24 F5 via EMIX}
MX	`studbo-se.mail.protection.outlook.com` ⭐
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.68.16^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00400.inbound.protection.outlook.com`
		A	52.101.68.18^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00302.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
TXT	`v=spf1 ip4:85.188.187.42 ip4:85.188.187.44 include:spf.protection.outlook.com...`
TXT	`MS=ms35470269`
SOA	`ns1.f5clouddns.com`f5xc-dns@f5.com 2024-04-09 #6

`se`

	DNSSEC	🔒 Signed (DS record present)
	NS	`catcher-in-the-rye.nic.se` ⭐
	NS	`a.ns.se`
	NS	`b.ns.se`
	NS	`c.ns.se`
	NS	`f.ns.se`
	NS	`g.ns.se`
	NS	`i.ns.se`
	NS	`m.ns.se`
	NS	`x.ns.se`
	NS	`y.ns.se`
	NS	`z.ns.se`
	TXT	`SE zone update: 2026-07-26 05:46:04 +0000 (EPOCH 1785044764) (auto)`
	TXT	`id:3db43aec-74db-4697-ae98-d6fe282740a5`
	SOA	`catcher-in-the-rye.nic.se`registry-default@nic.se serial=1785045126

WOT: SAFE (61/100)

Same first word

studbo.se

Similar names

tobuds.com

bustod.is

bostud.com

dotusb.com

busdot.com

dubost.fr

usdbot.com

dotbus.com

dotsub.de

bousdt.org

bsoutd.org

dubots.com

doubts.de

dubost.com

doubts.it

dotbus.net

doubts.com

utsobd.com

doubts.org

dubost.net

subdot.de

stbudo.com

dotsub.com

usbdot.de

doubts.in

dubost.org

subdot.com

dobust.com

DNS History

7 records (3 active, 4 former)

○NSns01.jonkoping.se2015-05-21 → 2017-01-16 · 4 obs

● 2015-05-21 18:36:52
● 2017-01-16 07:38:22
○ 2026-07-16 12:44:20
○ 2026-07-26 07:07:58

○NSns02.jonkoping.se2015-05-21 → 2017-01-16 · 4 obs

● 2015-05-21 18:36:52
● 2017-01-16 07:38:22
○ 2026-07-16 12:44:20
○ 2026-07-26 07:07:58

●NSns1.f5clouddns.com2026-07-16 → 2026-07-26 · 3 obs

○ 2017-01-16 07:38:22
● 2026-07-16 12:44:20
● 2026-07-26 07:07:58

●NSns2.f5clouddns.com2026-07-16 → 2026-07-26 · 3 obs

○ 2017-01-16 07:38:22
● 2026-07-16 12:44:20
● 2026-07-26 07:07:58

○MXe-mailfilter03.sunet.se2015-05-21 → 2016-04-23 · 4 obs

● 2015-05-21 18:36:52
● 2016-04-23 17:11:30
○ 2017-01-16 07:38:22
○ 2026-07-26 07:07:58

○MXe-mailfilter04.sunet.se2015-05-21 → 2016-04-23 · 4 obs

● 2015-05-21 18:36:52
● 2016-04-23 17:11:30
○ 2017-01-16 07:38:22
○ 2026-07-26 07:07:58

●MXstudbo-se.mail.protection.outlook.com2017-01-16 → 2026-07-26 · 3 obs

○ 2016-04-23 17:11:30
● 2017-01-16 07:38:22
● 2026-07-26 07:07:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
se	c.ns.se, m.ns.se, g.ns.se, x.ns.se...	-
studbo.se	ns1.f5clouddns.com, ns2.f5clouddns.com	-

✅ Authoritative Response

Server:107.162.234.197

NS records: ns1.f5clouddns.com, ns2.f5clouddns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studbo.se (unsigned zone)

⏱️ Timing

Total: 2766ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns2.f5clouddns.com, ns1.f5clouddns.com`
MX	1	`studbo-se.mail.protection.outlook.com (p`
TXT	2	`MS=ms35470269, v=spf1 ip4:85.188.187.42 ip4:85.188.187.`
SOA	1	`ns1.f5clouddns.com f5xc-dns.f5.com`

Analysis

Name Servers

The NS records for studbo.se delegate to ns1.f5clouddns.com and ns2.f5clouddns.com.

The name server configuration of studbo.se is shared with other domains, for instance 234.33.217.in-addr.arpa, delivered.dhl, adcbuild.co.uk and two others.

studbo.se partially shares its NS delegation with several other domains, including cgitmsmdc.ca, addingmoretoyourlife.com, metrolink-plus.fr and two others.

In DNS configurations, these name servers often share authority with ns1.f5cloudservices.com, ns2.f5cloudservices.com, ns.mgi.de and 7 other name servers.

ns1.f5clouddns.com resolves to 107.162.234.197 and 2604:e180:1071::3:1. Likewise, ns2.f5clouddns.com resolves to 107.162.176.221 and 2604:e180:1071::ffff:6ba2:b0dd — two IP addresses apiece.

Mail Servers

studbo.se uses one mail server — studbo-se.mail.protection.outlook.com.

studbo-se.mail.protection.outlook.com points to four IP addresses: 52.101.68.12, 52.101.68.16, 52.101.68.18 and 52.101.68.32.