prop21.at - robtex.com

prop21.at

DNSSEC⚠️ Not signed
A81.19.145.58πŸ‡¦πŸ‡Ή IONOS-AS81.19.144.0/20 World4You.com
PTRwww38.world4you.com
NSns1.world4you.at ⭐
A2607:f1c0:fe:53:185:132:32:253πŸ‡ΊπŸ‡Έ IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1.world4you.at
A185.132.32.253πŸ‡©πŸ‡ͺ IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1.world4you.at
NSns2.world4you.at
A2001:8d8:fe:53:217:160:82:253πŸ‡©πŸ‡ͺ IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns2.world4you.at
A217.160.82.253πŸ‡©πŸ‡ͺ IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns2.world4you.at
MXprop21-at.mail.protection.outlook.de ⭐
A2a01:111:f403:ca27::πŸ‡©πŸ‡ͺ Microsoft2a01:111:f000::/36
PTRmail-beup281cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca2d::πŸ‡©πŸ‡ͺ Microsoft2a01:111:f000::/36
PTRmail-fr5p281cu00500.inbound.protection.outlook.com
A2a01:111:f403:ca2d::1πŸ‡©πŸ‡ͺ Microsoft2a01:111:f000::/36
PTRmail-fr4p281cu03101.inbound.protection.outlook.com
A2a01:111:f403:ca2d::2πŸ‡©πŸ‡ͺ Microsoft2a01:111:f000::/36
PTRmail-fr6p281cu00202.inbound.protection.outlook.com
A52.101.168.0πŸ‡©πŸ‡ͺ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-beup281cu00100.inbound.protection.outlook.com
A52.101.170.0πŸ‡©πŸ‡ͺ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-fr5p281cu00500.inbound.protection.outlook.com
A52.101.170.1πŸ‡©πŸ‡ͺ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-fr4p281cu03101.inbound.protection.outlook.com
A52.101.170.2πŸ‡©πŸ‡ͺ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-fr6p281cu00202.inbound.protection.outlook.com
TXTMS=ms37378530
TXTv=spf1 include:spf.protection.outlook.de -all
SOAns1.world4you.athostmaster@world4you.com 2025-03-26 #6

at

DNSSECπŸ”’ 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=1785636003

Same first word

Similar names

DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026NSns1.world4you.atns2.world4you.atMXprop21-at.mail.protection.outlook.demail.prop21.atA81.19.145.58
●NSns1.world4you.at2015-08-01 β†’ 2026-08-02 Β· 2 obs
● 2015-08-01 12:28:28
● 2026-08-02 03:43:40
●NSns2.world4you.at2015-08-01 β†’ 2026-08-02 Β· 2 obs
● 2015-08-01 12:28:28
● 2026-08-02 03:43:40
β—‹MXmail.prop21.at2015-08-01 β†’ 2017-03-28 Β· 4 obs
● 2015-08-01 12:28:28
● 2017-03-28 05:53:40
β—‹ 2020-04-13 12:33:24
β—‹ 2026-08-02 03:43:40
●MXprop21-at.mail.protection.outlook.de2020-04-13 β†’ 2026-08-02 Β· 3 obs
β—‹ 2017-03-28 05:53:40
● 2020-04-13 12:33:24
● 2026-08-02 03:43:40
●A81.19.145.582015-08-01 β†’ 2026-08-02 Β· 2 obs
● 2015-08-01 12:28:28
● 2026-08-02 03:43:40

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
atu.ns.at, r.ns.at, ns2.univie.ac.at, j.ns.at...-
prop21.atns1.world4you.at, ns2.world4you.at-

βœ… Authoritative Response

Server:185.132.32.253

NS records: ns1.world4you.at, ns2.world4you.at

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for prop21.at (unsigned zone)

⏱️ Timing

Total: 612ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A181.19.145.58
NS2ns1.world4you.at, ns2.world4you.at
MX1prop21-at.mail.protection.outlook.de (pr
TXT2MS=ms37378530, v=spf1 include:spf.protection.outlook.de
SOA1ns1.world4you.at hostmaster.world4you.co

Analysis

IP Addresses

prop21.at directs to one IP number, which is 81.19.145.58.

Among the host names that share IP numbers with prop21.at are kurka.biz, lageder.at, wtm-austria.com and two others.

Name Servers

Two name servers handle the delegation for prop21.at: ns1.world4you.at and ns2.world4you.at.

prop21.at has the same name server delegation as a number of other domains, such as machmehr.com, brainwave-entertainment.com, urban-nomad.at and two more.

ns1.world4you.at and ns2.world4you.at both carry two IP addresses. The A records for ns1.world4you.at are 185.132.32.253 and 2607:f1c0:fe:53:185:132:32:253; the A records for ns2.world4you.at are 217.160.82.253 and 2001:8d8:fe:53:217:160:82:253.

Mail Servers

prop21.at routes its mail through a single mail server, prop21-at.mail.protection.outlook.de.

prop21-at.mail.protection.outlook.de directs to 8 IP numbers, including 52.101.168.0, 52.101.170.0 and 52.101.170.1, along with 5 other.