derproofi.at - robtex.com

derproofi.at

DNSSEC⚠️ Not signed
A2a00:1c98:60:1141:0:1:663c:ecc7🇧🇪 COMBELL-AS2a00:1c98:60::/44
A185.175.196.105🇳🇱 COMBELL-AS185.175.196.0/22
NSnsa3.schlundtech.de ⭐
A2607:f1c0:fe:53:185:132:34:227🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns-stec.ui-dns.com
A185.132.34.227🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns-stec.ui-dns.com
NSnsb3.schlundtech.de
A2607:f1c0:fe:53:185:132:35:227🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns-stec.ui-dns.org
A185.132.35.227🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns-stec.ui-dns.org
NSnsc3.schlundtech.de
A2001:8d8:fe:53:217:160:80:227🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-stec.ui-dns.de
A217.160.80.227🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-stec.ui-dns.de
NSnsd3.schlundtech.de
A2001:8d8:fe:53:217:160:81:227🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-stec.ui-dns.biz
A217.160.81.227🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-stec.ui-dns.biz
MXderproofi-at.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::6🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db4pr02cu00406.inbound.protection.outlook.com
A2a01:111:f403:ca04::d🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db6pr03cu00105.inbound.protection.outlook.com
A2a01:111:f403:ca09::8🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as2pr05cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca09::c🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as8pr05cu00304.inbound.protection.outlook.com
A52.101.68.27🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db7pr03cu00503.inbound.protection.outlook.com
A52.101.73.4🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am0pr83cu00404.inbound.protection.outlook.com
A52.101.73.12🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am4pr0401cu00104.inbound.protection.outlook.com
A52.101.73.30🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am7pr05cu00306.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com -all
SOAnsa3.schlundtech.dedo-not-reply@derproofi.at 2026-02-19 #2

at

DNSSEC🔒 Signed (DS record present)
NSdns.nic.at ⭐
NSd.ns.at
NSj.ns.at
NSn.ns.at
NSns1.univie.ac.at
NSns2.univie.ac.at
NSr.ns.at
NSu.ns.at
SOAdns.nic.atdomain-admin@univie.ac.at serial=1774479602

Same first word

derproofi.at

DNS History

10 records (7 active, 3 former)

NSnsa3.schlundtech.densb3.schlundtech.densc3.schlundtech.densd3.schlundtech.dens5.kasserver.comns6.kasserver.comMXderproofi-at.mail.protection.outlook.comA185.175.196.1052a00:1c98:60:1141:0:1:663c:ecc785.13.156.29
○NSns5.kasserver.com2026-02-16 → 2026-02-16 · 3 obs
● 2026-02-16 11:09:46
○ 2026-03-25 23:24:12
○ 2026-03-25 23:24:14
○NSns6.kasserver.com2026-02-16 → 2026-02-16 · 3 obs
● 2026-02-16 11:09:46
○ 2026-03-25 23:24:12
○ 2026-03-25 23:24:14
●NSnsa3.schlundtech.de2026-03-25 → 2026-03-25 · 3 obs
○ 2026-02-16 11:09:46
● 2026-03-25 23:24:12
● 2026-03-25 23:24:14
●NSnsb3.schlundtech.de2026-03-25 → 2026-03-25 · 3 obs
○ 2026-02-16 11:09:46
● 2026-03-25 23:24:12
● 2026-03-25 23:24:14
●NSnsc3.schlundtech.de2026-03-25 → 2026-03-25 · 3 obs
○ 2026-02-16 11:09:46
● 2026-03-25 23:24:12
● 2026-03-25 23:24:14
●NSnsd3.schlundtech.de2026-03-25 → 2026-03-25 · 3 obs
○ 2026-02-16 11:09:46
● 2026-03-25 23:24:12
● 2026-03-25 23:24:14
●MXderproofi-at.mail.protection.outlook.com2026-02-16 → 2026-03-25 · 2 obs
● 2026-02-16 11:09:46
● 2026-03-25 23:24:14
●A185.175.196.1052026-03-25 → 2026-03-25 · 3 obs
○ 2026-02-16 11:09:46
● 2026-03-25 23:24:12
● 2026-03-25 23:24:14
●A2a00:1c98:60:1141:0:1:663c:ecc72026-03-25 → 2026-03-25 · 3 obs
○ 2026-02-16 11:09:46
● 2026-03-25 23:24:12
● 2026-03-25 23:24:14
○A85.13.156.292026-02-16 → 2026-02-16 · 3 obs
● 2026-02-16 11:09:46
○ 2026-03-25 23:24:12
○ 2026-03-25 23:24:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
atu.ns.at, ns2.univie.ac.at, n.ns.at, d.ns.at...-
derproofi.atnsa3.schlundtech.de, nsb3.schlundtech.de, nsc3.schlundtech.de, nsd3.schlundtech.de-

✅ Authoritative Response

Server:217.160.81.227

NS records: nsa3.schlundtech.de, nsb3.schlundtech.de, nsc3.schlundtech.de, nsd3.schlundtech.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for derproofi.at (unsigned zone)

⏱️ Timing

Total: 737ms | Queries: -

📄 Records

TypeCountSample Data
A1185.175.196.105
AAAA12a00:1c98:60:1141:0:1:663c:ecc7
NS4nsa3.schlundtech.de, nsb3.schlundtech.de...
MX1derproofi-at.mail.protection.outlook.com
TXT1v=spf1 include:spf.protection.outlook.co
SOA1nsa3.schlundtech.de do-not-reply.derproo

Analysis

IP Addresses

The entity derproofi.at points to two IP numbers: 2a00:1c98:60:1141:0:1:663c:ecc7 and 185.175.196.105.

For instance, other host names azh-homburg.de, intragen.de, auslandsabhebung.de, one-data.net and reload-festival.de share IP numbers with derproofi.at.

Name Servers

derproofi.at is delegated to four name servers: nsa3.schlundtech.de, nsb3.schlundtech.de, nsc3.schlundtech.de and nsd3.schlundtech.de.

derproofi.at shares name servers with other domains at least partially, for example pabre.de, urbanczyk.org, dermueritzer.de, xinetic.de and allbikes-gmbh.de.

Host names with two IP numbers:

nsa3.schlundtech.de points to: 2607:f1c0:fe:53:185:132:34:227 and 185.132.34.227

nsb3.schlundtech.de points to: 2607:f1c0:fe:53:185:132:35:227 and 185.132.35.227

nsc3.schlundtech.de points to: 2001:8d8:fe:53:217:160:80:227 and 217.160.80.227

nsd3.schlundtech.de points to: 2001:8d8:fe:53:217:160:81:227 and 217.160.81.227

Mail Servers

derproofi.at is handled by a single mail server, derproofi-at.mail.protection.outlook.com.

Host name derproofi-at.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::6, 2a01:111:f403:ca04::d, 2a01:111:f403:ca09::8, 2a01:111:f403:ca09::c, 52.101.68.27, 52.101.73.4, 52.101.73.12 and 52.101.73.30.