`mdv75.net`

DNSSEC	🔒 Signed (DS record present)
A	84.217.99.84^{🇸🇪 TELENOR-SE84.216.0.0/14 Telenor Sverige AB}
		PTR	`84-217-99-84.customers.ownit.se`
NS	`ns01.one.com` ⭐
		A	2001:67c:28cc::10^{ONECOM-INFRA2001:67c:28cc::/48}
			PTR	`ns01.one.com`
		A	195.206.121.10^{ONECOM-INFRA195.206.121.0/24}
			PTR	`ns01.one.com`
NS	`ns02.one.com`
		A	2001:67c:3c0::10^{🇩🇰 ONECOM2001:67c:3c0::/48}
			PTR	`ns02.one.com`
		A	185.10.11.10^{ONECOM185.10.11.0/24}
			PTR	`ns02.one.com`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`protonmail-verification=1404767e0fa406965f60ef1e19c8c4b8dbeceba3`
TXT	`v=spf1 include:_spf.protonmail.ch ~all`
SOA	`ns01.one.com`hostmaster@one.com 2026-05-09 #1

`net`

	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=1778614971

Same first word

mdv75.net

DNS History

8 records (5 active, 3 former)

●NSns01.one.com2017-01-04 → 2026-05-12 · 2 obs

● 2017-01-04 15:11:00
● 2026-05-12 20:02:48

●NSns02.one.com2017-01-04 → 2026-05-12 · 2 obs

● 2017-01-04 15:11:00
● 2026-05-12 20:02:48

●MXmail.protonmail.ch2026-04-09 → 2026-05-12 · 3 obs

○ 2017-12-17 17:23:02
● 2026-04-09 00:17:40
● 2026-05-12 20:02:48

●MXmailsec.protonmail.ch2026-04-09 → 2026-05-12 · 3 obs

○ 2017-12-17 17:23:02
● 2026-04-09 00:17:40
● 2026-05-12 20:02:48

○MXmxcluster1.one.com2017-01-04 → 2017-12-17 · 4 obs

● 2017-01-04 15:11:00
● 2017-12-17 17:23:02
○ 2026-04-09 00:17:40
○ 2026-05-12 20:02:48

○MXmxcluster2.one.com2017-01-04 → 2017-12-17 · 4 obs

● 2017-01-04 15:11:00
● 2017-12-17 17:23:02
○ 2026-04-09 00:17:40
○ 2026-05-12 20:02:48

○A37.123.157.562017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 15:11:00
○ 2017-12-17 17:23:02
○ 2026-05-12 20:02:48

●A84.217.99.842017-12-17 → 2026-05-12 · 3 obs

○ 2017-01-04 15:11:00
● 2017-12-17 17:23:02
● 2026-05-12 20:02:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	g.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net...	-
mdv75.net	ns01.one.com, ns02.one.com	-

✅ Authoritative Response

Server:195.206.121.10

NS records: ns01.one.com, ns02.one.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1166ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`84.217.99.84`
NS	2	`ns02.one.com, ns01.one.com`
MX	2	`mailsec.protonmail.ch (pri: 20), mail.protonmail.ch (pri: 10)`
TXT	2	`v=spf1 include:_spf.protonmail.ch ~all, protonmail-verification=1404767e0fa40696`
SOA	1	`ns01.one.com hostmaster.one.com`

Analysis

IP Addresses

mdv75.net resolves to a single IP address: 84.217.99.84.

Other host names, for instance 84-217-99-84.customers.ownit.se, share IP numbers with mdv75.net.

Name Servers

mdv75.net's delegation uses two name servers, ns01.one.com and ns02.one.com.

mdv75.net shares the same name server setup as other domains, for example poplin.se, hydro-service.ch, wiedemann-frank.de, inkontinensforeningen.dk and reliew.se.

Host names with two IPs:

ns01.one.com points to: 2001:67c:28cc::10 and 195.206.121.10

ns02.one.com points to: 2001:67c:3c0::10 and 185.10.11.10

Mail Servers

mdv75.net is handled by two mail servers: mail.protonmail.ch and mailsec.protonmail.ch.

mdv75.net shares its mail server setup with other domains, including vzis.net, socmus.ch, gsicomputerservices.com, ladyewa.com and mahfoud.net.

The mail servers for mdv75.net are shared with other domains, for instance kb-ametist.com, flode.net, robopay.com, quiltropolis.net and bryanmicon.com.

Host names with three IPs:

mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128

mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129

mdv75.net - robtex.com

mdv75.net

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