`o365filtering.ru`

DNSSEC	⚠️ Not signed
NS	`ns1-01.azure-dns.com` ⭐
		A	2603:1061:0:700::1^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-01.azure-dns.com`
		A	13.107.236.1^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-01.azure-dns.com`
NS	`ns2-01.azure-dns.net`
		A	2620:1ec:8ec:700::1^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-01.azure-dns.net`
		A	150.171.21.1^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-01.azure-dns.net`
NS	`ns3-01.azure-dns.org`
		A	2a01:111:4000:700::1^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-01.azure-dns.org`
		A	204.14.183.1^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-01.azure-dns.org`
NS	`ns4-01.azure-dns.info`
		A	2620:1ec:bda:700::1^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-01.azure-dns.info`
		A	208.84.5.1^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-01.azure-dns.info`
MX	`maila.microsoft.com` ⭐
		A	131.107.115.214^{🇺🇸 AS3598131.107.0.0/16 Microsoft Corporate}
			PTR	`mail3.microsoft.com`
			PTR	`mailc.microsoft.com`
			PTR	`smtp.microsoft.com`
		A	131.107.115.215^{🇺🇸 AS3598131.107.0.0/16 Microsoft Corporate}
			PTR	`mail2.microsoft.com`
			PTR	`mailb.microsoft.com`
			PTR	`smtp.microsoft.com`
MX	`mailb.microsoft.com` ⭐
		A	131.107.115.214^{🇺🇸 AS3598131.107.0.0/16 Microsoft Corporate}
			PTR	`mail3.microsoft.com`
			PTR	`mailc.microsoft.com`
			PTR	`smtp.microsoft.com`
		A	131.107.115.215^{🇺🇸 AS3598131.107.0.0/16 Microsoft Corporate}
			PTR	`mail2.microsoft.com`
			PTR	`mailb.microsoft.com`
			PTR	`smtp.microsoft.com`
MX	`mailc.microsoft.com` ⭐
		A	131.107.115.214^{🇺🇸 AS3598131.107.0.0/16 Microsoft Corporate}
			PTR	`mail3.microsoft.com`
			PTR	`mailc.microsoft.com`
			PTR	`smtp.microsoft.com`
		A	131.107.115.215^{🇺🇸 AS3598131.107.0.0/16 Microsoft Corporate}
			PTR	`mail2.microsoft.com`
			PTR	`mailb.microsoft.com`
			PTR	`smtp.microsoft.com`
SOA	`ns1-01.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

`ru`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.ripn.net` ⭐
	NS	`b.dns.ripn.net`
	NS	`d.dns.ripn.net`
	NS	`e.dns.ripn.net`
	NS	`f.dns.ripn.net`
	SOA	`a.dns.ripn.net`hostmaster@ripn.net serial=4068858

Same first word

o365filtering.hk

o365filtering.jp

o365filtering.ae

o365filtering.ca

o365filtering.fi

o365filtering.at

o365filtering.ie

o365filtering.de

o365filtering.cn

o365filtering.us

o365filtering.fr

o365filtering.bz

o365filtering.ru

o365filtering.it

o365filtering.com

o365filtering.ph

DNS History

7 records (7 active, 0 former)

●NSns1-01.azure-dns.com2026-02-28 → 2026-05-13 · 2 obs

● 2026-02-28 17:16:44
● 2026-05-13 09:50:38

●NSns2-01.azure-dns.net2026-02-28 → 2026-05-13 · 2 obs

● 2026-02-28 17:16:44
● 2026-05-13 09:50:38

●NSns3-01.azure-dns.org2026-02-28 → 2026-05-13 · 2 obs

● 2026-02-28 17:16:44
● 2026-05-13 09:50:38

●NSns4-01.azure-dns.info2026-02-28 → 2026-05-13 · 2 obs

● 2026-02-28 17:16:44
● 2026-05-13 09:50:38

●MXmaila.microsoft.com2026-02-28 → 2026-05-13 · 2 obs

● 2026-02-28 17:16:44
● 2026-05-13 09:50:38

●MXmailb.microsoft.com2026-02-28 → 2026-05-13 · 2 obs

● 2026-02-28 17:16:44
● 2026-05-13 09:50:38

●MXmailc.microsoft.com2026-02-28 → 2026-05-13 · 2 obs

● 2026-02-28 17:16:44
● 2026-05-13 09:50:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ru	a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...	-
o365filtering.ru	ns3-01.azure-dns.org, ns2-01.azure-dns.net, ns1-01.azure-dns.com, ns4-01.azure-dns.info	-

✅ Authoritative Response

Server:13.107.236.1

NS records: ns3-01.azure-dns.org, ns2-01.azure-dns.net, ns1-01.azure-dns.com, ns4-01.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for o365filtering.ru (unsigned zone)

⏱️ Timing

Total: 754ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns1-01.azure-dns.com, ns2-01.azure-dns.net...`
MX	3	`maila.microsoft.com (pri: 10), mailb.microsoft.com (pri: 10)...`
SOA	1	`ns1-01.azure-dns.com azuredns-hostmaster`