studyusa.de - dns.ninja

studyusa.de

DNSSEC⚠️ Not signed
A89.31.143.90🇩🇪 UDAG89.31.143.0/24
NSns.udag.de ⭐
A2001:8d8:fe:53:217:160:80:253🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns.udag.de
A217.160.80.253🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns.udag.de
NSns.udag.net
A2607:f1c0:fe:53:185:132:33:253🇺🇸 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.udag.net
A185.132.33.253🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns.udag.net
NSns.udag.org
A2607:f1c0:fe:53:185:132:34:253🇺🇸 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.udag.org
A185.132.34.253🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns.udag.org
MXmx00.udag.de ⭐
A62.146.106.39🇩🇪 IPX-AS1559862.146.104.0/22 NorthC Deutschland GmbH
PTRmx00.udag.de
MXmx01.udag.de(20)
A62.146.106.40🇩🇪 IPX-AS1559862.146.104.0/22 NorthC Deutschland GmbH
PTRmx01.udag.de
TXTv=spf1 include:_smtp.udag.de ~all
SOAns.udag.dehostmaster@united-domains.de 2023-12-01 #1

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1782638619

Same first word

studyusa.cn
studyusa.co.il
studyusa.ru
studyusa.nu
studyusa.de
studyusa.com.cy
studyusa.com
studyusa.net
studyusa.se
studyusa.gr

Similar names

usastudy.net
usastudy.org
ausstudy.com
usastudy.com
ausstudy.com.au
studyaus.com

DNS History

8 records (6 active, 2 former)

20162017201820192020202120222023202420252026NSns.udag.dens.udag.netns.udag.orgMXmx00.udag.demx01.udag.deA89.31.143.9089.31.143.1489.31.143.16
●NSns.udag.de2015-08-08 → 2026-06-28 · 2 obs
● 2015-08-08 09:51:26
● 2026-06-28 09:54:14
●NSns.udag.net2015-08-08 → 2026-06-28 · 2 obs
● 2015-08-08 09:51:26
● 2026-06-28 09:54:14
●NSns.udag.org2015-08-08 → 2026-06-28 · 2 obs
● 2015-08-08 09:51:26
● 2026-06-28 09:54:14
●MXmx00.udag.de2015-08-08 → 2026-06-28 · 2 obs
● 2015-08-08 09:51:26
● 2026-06-28 09:54:14
●MXmx01.udag.de2015-08-08 → 2026-06-28 · 2 obs
● 2015-08-08 09:51:26
● 2026-06-28 09:54:14
○A89.31.143.142015-08-08 → 2015-08-08 · 3 obs
● 2015-08-08 09:51:26
○ 2015-12-09 05:58:58
○ 2026-06-28 09:54:14
○A89.31.143.162015-12-09 → 2017-04-02 · 5 obs
○ 2015-08-08 09:51:26
● 2015-12-09 05:58:58
● 2017-04-02 00:45:42
○ 2026-03-30 22:18:44
○ 2026-06-28 09:54:14
●A89.31.143.902026-03-30 → 2026-06-28 · 3 obs
○ 2017-04-02 00:45:42
● 2026-03-30 22:18:44
● 2026-06-28 09:54:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
studyusa.dens.udag.de, ns.udag.net, ns.udag.org2 records

✅ Authoritative Response

Server:217.160.80.253

NS records: ns.udag.de, ns.udag.net, ns.udag.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyusa.de (unsigned zone)

⏱️ Timing

Total: 783ms | Queries: -

📄 Records

TypeCountSample Data
A189.31.143.90
NS3ns.udag.org, ns.udag.net...
MX2mx01.udag.de (pri: 20), mx00.udag.de (pri: 10)
TXT1v=spf1 include:_smtp.udag.de ~all
SOA1ns.udag.de hostmaster.united-domains.de

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.udag.de, ns.udag.de)

Analysis

IP Addresses

studyusa.de resolves to just one IP address, 89.31.143.90.

Two other host names, along with ns1.dataroom.bio, nogo.in and www.321(0x736578).ch, also share IP numbers with studyusa.de.

Name Servers

DNS for studyusa.de is handled by three authoritative name servers: ns.udag.de, ns.udag.net and ns.udag.org.

studyusa.de partially shares its NS delegation with several other domains, including lpaso.de, sutra-collective.com, camp4.ru and two others.

Three hostnames — ns.udag.de, ns.udag.net and ns.udag.org — each have two IP addresses: ns.udag.de has 217.160.80.253 and 2001:8d8:fe:53:217:160:80:253, ns.udag.net has 185.132.33.253 and 2607:f1c0:fe:53:185:132:33:253, and ns.udag.org has 185.132.34.253 and 2607:f1c0:fe:53:185:132:34:253.

Mail Servers

studyusa.de is served by two mail servers, mx00.udag.de and mx01.udag.de.

Among the domains sharing a mail server setup with studyusa.de are synsero.com, heuel.reise, muyzers.org and two others.

mx00.udag.de resolves to 62.146.106.39. mx01.udag.de resolves to 62.146.106.40. Both host names point to a single IP number.