`vikingoffice.ch`

DNSSEC	⚠️ Not signed
A	185.224.53.98^{🇳🇱 VK-EU-Telford185.224.53.0/24}
NS	`pdns81.ultradns.com` ⭐
		A	2001:502:f3ff::75^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns81.ultradns.com`
		A	156.154.64.81^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns81.ultradns.com`
NS	`pdns81.ultradns.biz`
		A	2610:a1:1015::75^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns81.ultradns.biz`
		A	156.154.66.81^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
			PTR	`pdns81.ultradns.biz`
NS	`pdns81.ultradns.net`
		A	2610:a1:1014::75^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns81.ultradns.net`
		A	156.154.65.81^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`pdns81.ultradns.net`
NS	`pdns81.ultradns.org`
		A	2001:502:4612::75^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns81.ultradns.org`
		A	156.154.67.81^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`pdns81.ultradns.org`
MX	`vikingoffice-ch.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca0b::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo3p265cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::2^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo0p265cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00601.inbound.protection.outlook.com`
		A	52.101.89.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	52.101.89.1^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo0p265cu00201.inbound.protection.outlook.com`
		A	52.101.89.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo3p265cu00302.inbound.protection.outlook.com`
		A	52.101.99.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00502.inbound.protection.outlook.com`
TXT	`MS=ms95625219`
TXT	`v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all`
SOA	`pdns81.ultradns.com`dnstech-europe@officedepot.com 2011-10-19 #23

`ch`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.ch` ⭐
	NS	`b.nic.ch`
	NS	`d.nic.ch`
	NS	`e.nic.ch`
	NS	`f.nic.ch`
	SOA	`a.nic.ch`dns-operation@switch.ch 2026-04-24 #6

Same first word

DNS History

16 records (6 active, 10 former)

○NSns1.vikingdirect.com2015-07-25 → 2015-07-25 · 3 obs

● 2015-07-25 08:29:26
○ 2015-11-23 06:23:46
○ 2026-04-24 01:53:36

○NSns2.vikingdirect.com2015-07-25 → 2015-07-25 · 3 obs

● 2015-07-25 08:29:26
○ 2015-11-23 06:23:46
○ 2026-04-24 01:53:36

●NSpdns81.ultradns.biz2015-11-23 → 2026-04-24 · 3 obs

○ 2015-07-25 08:29:26
● 2015-11-23 06:23:46
● 2026-04-24 01:53:36

●NSpdns81.ultradns.com2015-11-23 → 2026-04-24 · 3 obs

○ 2015-07-25 08:29:26
● 2015-11-23 06:23:46
● 2026-04-24 01:53:36

●NSpdns81.ultradns.net2015-11-23 → 2026-04-24 · 3 obs

○ 2015-07-25 08:29:26
● 2015-11-23 06:23:46
● 2026-04-24 01:53:36

●NSpdns81.ultradns.org2015-11-23 → 2026-04-24 · 3 obs

○ 2015-07-25 08:29:26
● 2015-11-23 06:23:46
● 2026-04-24 01:53:36

○MXalt1.aspmx.l.google.com2015-07-25 → 2017-03-28 · 4 obs

● 2015-07-25 08:29:26
● 2017-03-28 18:34:18
○ 2020-04-11 21:14:00
○ 2026-04-24 01:53:36

○MXalt2.aspmx.l.google.com2015-07-25 → 2017-03-28 · 4 obs

● 2015-07-25 08:29:26
● 2017-03-28 18:34:18
○ 2020-04-11 21:14:00
○ 2026-04-24 01:53:36

○MXalt3.aspmx.l.google.com2015-07-25 → 2017-03-28 · 4 obs

● 2015-07-25 08:29:26
● 2017-03-28 18:34:18
○ 2020-04-11 21:14:00
○ 2026-04-24 01:53:36

○MXalt4.aspmx.l.google.com2015-07-25 → 2017-03-28 · 4 obs

● 2015-07-25 08:29:26
● 2017-03-28 18:34:18
○ 2020-04-11 21:14:00
○ 2026-04-24 01:53:36

○MXaspmx.l.google.com2015-07-25 → 2017-03-28 · 4 obs

● 2015-07-25 08:29:26
● 2017-03-28 18:34:18
○ 2020-04-11 21:14:00
○ 2026-04-24 01:53:36

●MXvikingoffice-ch.mail.protection.outlook.com2020-04-11 → 2026-04-24 · 3 obs

○ 2017-03-28 18:34:18
● 2020-04-11 21:14:00
● 2026-04-24 01:53:36

○A185.224.53.392020-04-11 → 2020-04-11 · 4 obs

○ 2017-03-28 18:34:18
● 2020-04-11 21:14:00
○ 2026-03-27 08:06:50
○ 2026-04-24 01:53:36

●A185.224.53.982026-03-27 → 2026-04-24 · 3 obs

○ 2020-04-11 21:14:00
● 2026-03-27 08:06:50
● 2026-04-24 01:53:36

○A205.157.82.392016-03-16 → 2017-03-28 · 5 obs

○ 2015-11-23 06:23:46
● 2016-03-16 13:02:50
● 2017-03-28 18:34:18
○ 2020-04-11 21:14:00
○ 2026-04-24 01:53:36

○A205.157.85.392015-07-25 → 2015-11-23 · 4 obs

● 2015-07-25 08:29:26
● 2015-11-23 06:23:46
○ 2016-03-16 13:02:50
○ 2026-04-24 01:53:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	e.nic.ch, d.nic.ch, b.nic.ch, f.nic.ch...	-
vikingoffice.ch	pdns81.ultradns.biz, pdns81.ultradns.com, pdns81.ultradns.net, pdns81.ultradns.org	-

✅ Authoritative Response

Server:156.154.66.81

NS records: pdns81.ultradns.biz, pdns81.ultradns.com, pdns81.ultradns.net, pdns81.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for vikingoffice.ch (unsigned zone)

⏱️ Timing

Total: 786ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.224.53.98`
NS	4	`pdns81.ultradns.biz, pdns81.ultradns.com...`
MX	1	`vikingoffice-ch.mail.protection.outlook.`
TXT	2	`MS=ms95625219, v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}.`
SOA	1	`pdns81.ultradns.com dnstech-europe.offic`

Analysis

IP Addresses

vikingoffice.ch points to a single IP: 185.224.53.98.

Other host names, for instance officedepot.lu, vikingdirect.lt, officedepot.at, officedepotonline.it and viking.es share IP numbers with vikingoffice.ch.

Name Servers

vikingoffice.ch is delegated to four name servers: pdns81.ultradns.biz, pdns81.ultradns.com, pdns81.ultradns.net and pdns81.ultradns.org.

vikingoffice.ch at least partially shares its name servers with other domains, for instance officedepot.hu, officepost.be, vikingoffice.at, crestronfusion.com and depot.be.

Host names with two IPs: pdns81.ultradns.biz points to 2610:a1:1015::75 and 156.154.66.81; pdns81.ultradns.com points to 2001:502:f3ff::75 and 156.154.64.81; pdns81.ultradns.net points to 2610:a1:1014::75 and 156.154.65.81; pdns81.ultradns.org points to 2001:502:4612::75 and 156.154.67.81.

Mail Servers

vikingoffice.ch is served by a single mail server, vikingoffice-ch.mail.protection.outlook.com.

The host name vikingoffice-ch.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:ca0b::, 2a01:111:f403:ca0b::1, 2a01:111:f403:ca0b::2, 2a01:111:f403:ca1a::1, 52.101.89.0, 52.101.89.1, 52.101.89.2 and 52.101.99.2.

vikingoffice.ch - robtex.com

vikingoffice.ch

ch

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`vikingoffice.ch`

`ch`