`rssfeedexpert.com`

DNSSEC	⚠️ Not signed
A	40.121.212.226^{🇺🇸 Microsoft40.120.0.0/14}
NS	`ns1-09.azure-dns.com` ⭐
		A	2603:1061:0:700::9^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-09.azure-dns.com`
		A	13.107.236.9^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-09.azure-dns.com`
NS	`ns2-09.azure-dns.net`
		A	2620:1ec:8ec:700::9^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-09.azure-dns.net`
		A	150.171.21.9^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-09.azure-dns.net`
NS	`ns3-09.azure-dns.org` ⚠️ Not in parent delegation
		A	2a01:111:4000:700::9^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-09.azure-dns.org`
		A	204.14.183.9^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-09.azure-dns.org`
NS	`ns4-09.azure-dns.info` ⚠️ Not in parent delegation
		A	2620:1ec:bda:700::9^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-09.azure-dns.info`
		A	208.84.5.9^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-09.azure-dns.info`
MX	`rssfeedexpert-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::2^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du2pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::e^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00206.inbound.protection.outlook.com`
		A	52.101.68.8^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du0pr03cu00100.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
		A	52.101.73.8^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr04cu00500.inbound.protection.outlook.com`
		A	52.101.73.24^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00300.inbound.protection.outlook.com`
TXT	`v=spf1 a mx -all`
SOA	`ns1-09.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

`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=1786124479

Same first word

rssfeedexpert.com

DNS History

14 records (6 active, 8 former)

●NSns1-09.azure-dns.com2017-04-19 → 2026-08-07 · 3 obs

○ 2016-09-09 22:45:24
● 2017-04-19 05:22:22
● 2026-08-07 18:02:38

○NSns1.guestdns.com2016-09-09 → 2016-09-09 · 4 obs

○ 2016-04-01 01:21:20
● 2016-09-09 22:45:24
○ 2017-04-19 05:22:22
○ 2026-08-07 18:02:38

●NSns2-09.azure-dns.net2017-04-19 → 2026-08-07 · 3 obs

○ 2016-09-09 22:45:24
● 2017-04-19 05:22:22
● 2026-08-07 18:02:38

○NSns2.guestdns.com2016-09-09 → 2016-09-09 · 4 obs

○ 2016-04-01 01:21:20
● 2016-09-09 22:45:24
○ 2017-04-19 05:22:22
○ 2026-08-07 18:02:38

●NSns3-09.azure-dns.org2017-04-19 → 2026-08-07 · 3 obs

○ 2016-09-09 22:45:24
● 2017-04-19 05:22:22
● 2026-08-07 18:02:38

○NSns33.domaincontrol.com2015-06-04 → 2016-04-01 · 4 obs

● 2015-06-04 05:56:58
● 2016-04-01 01:21:20
○ 2016-09-09 22:45:24
○ 2026-08-07 18:02:38

○NSns34.domaincontrol.com2015-06-04 → 2016-04-01 · 4 obs

● 2015-06-04 05:56:58
● 2016-04-01 01:21:20
○ 2016-09-09 22:45:24
○ 2026-08-07 18:02:38

●NSns4-09.azure-dns.info2017-04-19 → 2026-08-07 · 3 obs

○ 2016-09-09 22:45:24
● 2017-04-19 05:22:22
● 2026-08-07 18:02:38

○MXmailstore1.secureserver.net2015-06-04 → 2016-04-01 · 4 obs

● 2015-06-04 05:56:58
● 2016-04-01 01:21:20
○ 2016-09-09 22:45:24
○ 2026-08-07 18:02:38

●MXrssfeedexpert-com.mail.protection.outlook.com2017-04-19 → 2026-08-07 · 3 obs

○ 2016-09-09 22:45:24
● 2017-04-19 05:22:22
● 2026-08-07 18:02:38

○MXsmtp.secureserver.net2015-06-04 → 2016-04-01 · 4 obs

● 2015-06-04 05:56:58
● 2016-04-01 01:21:20
○ 2016-09-09 22:45:24
○ 2026-08-07 18:02:38

○A173.236.4.532016-09-09 → 2016-09-09 · 4 obs

○ 2016-04-01 01:21:20
● 2016-09-09 22:45:24
○ 2017-04-19 05:22:22
○ 2026-08-07 18:02:38

○A184.168.221.392015-06-04 → 2016-04-01 · 4 obs

● 2015-06-04 05:56:58
● 2016-04-01 01:21:20
○ 2016-09-09 22:45:24
○ 2026-08-07 18:02:38

●A40.121.212.2262017-04-19 → 2026-08-07 · 3 obs

○ 2016-09-09 22:45:24
● 2017-04-19 05:22:22
● 2026-08-07 18:02:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net...	-
rssfeedexpert.com	ns1-09.azure-dns.com, ns2-09.azure-dns.net	2 records

✅ Authoritative Response

Server:13.107.236.9

NS records: ns1-09.azure-dns.com, ns2-09.azure-dns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rssfeedexpert.com (unsigned zone)

⏱️ Timing

Total: 242ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`40.121.212.226`
NS	4	`ns1-09.azure-dns.com, ns2-09.azure-dns.net...`
MX	1	`rssfeedexpert-com.mail.protection.outloo`
TXT	1	`v=spf1 a mx -all`
SOA	1	`ns1-09.azure-dns.com azuredns-hostmaster`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-09.azure-dns.com, ns1-09.azure-dns.com)

Analysis

IP Addresses

rssfeedexpert.com directs to one IP number, which is 40.121.212.226.

Name Servers

The domain rssfeedexpert.com is delegated to these four name servers: ns1-09.azure-dns.com, ns4-09.azure-dns.info, ns2-09.azure-dns.net and ns3-09.azure-dns.org.

There is at least partial name server overlap between rssfeedexpert.com and other domains — nordax.dk, xbox-360-kinect.com, valser.com and two more among them.

All four hostnames — ns1-09.azure-dns.com, ns4-09.azure-dns.info, ns2-09.azure-dns.net and ns3-09.azure-dns.org — resolve to two IP numbers apiece: ns1-09.azure-dns.com to 13.107.236.9 and 2603:1061:0:700::9; ns4-09.azure-dns.info to 208.84.5.9 and 2620:1ec:bda:700::9; ns2-09.azure-dns.net to 150.171.21.9 and 2620:1ec:8ec:700::9; ns3-09.azure-dns.org to 204.14.183.9 and 2a01:111:4000:700::9.

Mail Servers

rssfeedexpert.com routes its mail through a single mail server, rssfeedexpert-com.mail.protection.outlook.com.

rssfeedexpert-com.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.8, 52.101.68.32 and 52.101.73.8, along with 5 other.

rssfeedexpert.com - robtex.com