`authentications-microsoft.com`

DNSSEC	⚠️ Not signed
A	45.13.239.171^{🇩🇪 FlorianKolb45.13.239.0/24}
		PTR	`171.239.13.45.in-addr.arpa`
NS	`ns1.dyna-ns.net` ⭐
		A	2400:cb00:2049:1::a29f:1a5c^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1b9e^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.92^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dyna-ns.net`
		A	162.159.27.158^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dyna-ns.net`
NS	`ns2.dyna-ns.net`
		A	2400:cb00:2049:1::a29f:1805^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1905^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.24.5^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dyna-ns.net`
		A	162.159.25.5^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dyna-ns.net`
MX	`mx1.hostinger.com` ⭐
		A	2606:4700:90:0:c1f8:f874:2386:b61f^{🇺🇸 Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.65.182.103^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mail.authentications-microsoft.com`⁽¹⁰⁾
		A	45.13.239.171^{🇩🇪 FlorianKolb45.13.239.0/24}
			PTR	`171.239.13.45.in-addr.arpa`
MX	`mx2.hostinger.com`⁽¹⁰⁾
		A	2606:4700:90:0:c1f8:f874:2386:b61f^{🇺🇸 Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.65.182.103^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
TXT	`v=spf1 include:_spf.mail.hostinger.com ~all`
TXT	`88c6ab1ad577bd6b134a4481fa203587`
SOA	`ns1.dyna-ns.net`hostmaster@authentications-microsoft.com 2026-03-25 #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=1774687907

⚠️ On DNS blocklist: light, multi, pro, pro.plus, tif, ultimate

Same first word

authentications-microsoft.com

DNS History

6 records (6 active, 0 former)

●NSns1.dyna-ns.net2026-03-26 → 2026-03-28 · 2 obs

● 2026-03-26 23:58:56
● 2026-03-28 09:14:42

●NSns2.dyna-ns.net2026-03-26 → 2026-03-28 · 2 obs

● 2026-03-26 23:58:56
● 2026-03-28 09:14:42

●MXmail.authentications-microsoft.com2026-03-26 → 2026-03-28 · 2 obs

● 2026-03-26 23:58:56
● 2026-03-28 09:14:42

●MXmx1.hostinger.com2026-03-26 → 2026-03-28 · 2 obs

● 2026-03-26 23:58:56
● 2026-03-28 09:14:42

●MXmx2.hostinger.com2026-03-26 → 2026-03-28 · 2 obs

● 2026-03-26 23:58:56
● 2026-03-28 09:14:42

●A45.13.239.1712026-03-26 → 2026-03-28 · 2 obs

● 2026-03-26 23:58:56
● 2026-03-28 09:14:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net...	-
authentications-microsoft.com	ns2.dyna-ns.net, ns1.dyna-ns.net	-

✅ Authoritative Response

Server:162.159.24.5

NS records: ns2.dyna-ns.net, ns1.dyna-ns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for authentications-microsoft.com (unsigned zone)

⏱️ Timing

Total: 637ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.13.239.171`
NS	2	`ns1.dyna-ns.net, ns2.dyna-ns.net`
MX	3	`mail.authentications-microsoft.com (pri:, mx1.hostinger.com (pri: 5)...`
TXT	2	`v=spf1 include:_spf.mail.hostinger.com ~, 88c6ab1ad577bd6b134a4481fa203587`
SOA	1	`ns1.dyna-ns.net hostmaster.authenticatio`

Analysis

IP Addresses

authentications-microsoft.com resolves to one IP number: 45.13.239.171.

Name Servers

authentications-microsoft.com's delegation uses two name servers: ns1.dyna-ns.net and ns2.dyna-ns.net.

authentications-microsoft.com uses the same name server setup as other domains, such as 02055.co, coatab.com, quotesleader.com, 15922.xyz and zxctijapbc.icu.

Host names with four IP numbers:

ns1.dyna-ns.net points to 2400:cb00:2049:1::a29f:1a5c, 2400:cb00:2049:1::a29f:1b9e, 162.159.26.92 and 162.159.27.158; ns2.dyna-ns.net points to 2400:cb00:2049:1::a29f:1805, 2400:cb00:2049:1::a29f:1905, 162.159.24.5 and 162.159.25.5

Mail Servers

Three mail servers handle authentications-microsoft.com: mail.authentications-microsoft.com, mx1.hostinger.com and mx2.hostinger.com.

authentications-microsoft.com shares at least some mail servers with other domains, for example kumugroupbd.com, thembhshow.com, damcoservices.com, dipra.com.mx and biharsarkariresult.com.

Names with two IP numbers:

mx1.hostinger.com points to 2606:4700:90:0:c1f8:f874:2386:b61f and 172.65.182.103.

mx2.hostinger.com points to 2606:4700:90:0:c1f8:f874:2386:b61f and 172.65.182.103.

Names with one IP number:

mail.authentications-microsoft.com points to 45.13.239.171.

Names pointing to 2606:4700:90:0:c1f8:f874:2386:b61f: mx1.hostinger.com and mx2.hostinger.com.

Names pointing to 172.65.182.103: mx1.hostinger.com and mx2.hostinger.com.

authentications-microsoft.com - robtex.com