`mail.steffeng.com`

DNSSEC	⚠️ Not signed
A	46.38.249.155^{🇩🇪 netcup-AS46.38.248.0/22 NETCUP-GMBH}
		PTR	`mxf99b.netcup.net`

`steffeng.com`

	DNSSEC	⚠️ Not signed
	A	2a03:4000:30:5998::12:3017^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
	A	46.38.249.148^{🇩🇪 netcup-AS46.38.248.0/22 NETCUP-GMBH}
	NS	`root-dns.netcup.net` ⭐
	NS	`second-dns.netcup.net`
	NS	`third-dns.netcup.net`
	MX	`mail.steffeng.com` ⭐
	MX	`mxf99b.netcup.net`⁽⁵⁰⁾
	TXT	`v=spf1 mx a include:_spf.webhosting.systems ~all`
	SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2019-12-27 #1

MX for

steffeng.com

Same first word

mail.tg

mail.ciao.jp

mail.gov.vc

mail.realm.cz

mail.vu

mail.trading

mail.center

mail.fi

mail.kg

mail.mayfirst.org

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mail.schwarz

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DNS History

3 records (1 active, 2 former)

○A46.38.238.282015-11-17 → 2016-04-09 · 5 obs

○ 2015-06-25 22:07:04
● 2015-11-17 11:58:48
● 2016-04-09 13:49:00
○ 2026-07-09 17:49:56
○ 2026-08-11 15:41:24

●A46.38.249.1552026-07-09 → 2026-08-11 · 3 obs

○ 2016-04-09 13:49:00
● 2026-07-09 17:49:56
● 2026-08-11 15:41:24

○A46.38.252.142015-06-25 → 2015-06-25 · 3 obs

● 2015-06-25 22:07:04
○ 2015-11-17 11:58:48
○ 2026-08-11 15:41:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
steffeng.com	root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net	-

✅ Authoritative Response

Server:188.68.63.68

NS records: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for steffeng.com (unsigned zone)

⏱️ Timing

Total: 719ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.38.249.155`

Analysis

Mail Server Role

The mail server mail.steffeng.com processes email for steffeng.com.

mxf99b.netcup.net is a mail server commonly deployed alongside mail.steffeng.com.

IP Addresses

mail.steffeng.com resolves to just one IP address, 46.38.249.155.

Two other host names, along with mail.kosmann-ingenieure.de, mail.mumbasa.de and mail.vs-wk.de, also share IP numbers with mail.steffeng.com.

mail.steffeng.com - robtex.com