dnstheory.com - robtex.com

dnstheory.com

DNSSEC⚠️ Not signed
A2001:8d8:100f:f000::200πŸ‡©πŸ‡ͺ IONOS-AS2001:8d8::/32 DE-IONOS-20020910
PTR2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
A217.160.0.77πŸ‡©πŸ‡ͺ IONOS-AS217.160.0.0/16 IONOS-PA-3
NSns1057.ui-dns.de ⭐
A2607:f1c0:fe:53:185:132:32:57πŸ‡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
PTRns1057.ui-dns.de
A217.160.80.57πŸ‡©πŸ‡ͺ IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1057.ui-dns.de
NSns1048.ui-dns.com
A2001:8d8:fe:53:0:d9a0:5230:100πŸ‡©πŸ‡ͺ IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1048.ui-dns.com
A217.160.82.48πŸ‡©πŸ‡ͺ IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1048.ui-dns.com
NSns1090.ui-dns.biz
A2001:8d8:fe:53:0:d9a0:515a:100πŸ‡©πŸ‡ͺ IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1090.ui-dns.biz
A217.160.81.90πŸ‡©πŸ‡ͺ IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1090.ui-dns.biz
NSns1102.ui-dns.org
A2001:8d8:fe:53:0:d9a0:5366:100πŸ‡©πŸ‡ͺ IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1102.ui-dns.org
A217.160.83.102πŸ‡©πŸ‡ͺ IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1102.ui-dns.org
MXmx00.ionos.com ⭐
A74.208.5.3πŸ‡ΊπŸ‡Έ IONOS-AS74.208.0.0/16 IONOS Inc.
PTRmx00.perfora.net
MXmx01.ionos.com ⭐
A74.208.5.21πŸ‡ΊπŸ‡Έ IONOS-AS74.208.0.0/16 IONOS Inc.
PTRmx01.perfora.net
TXTv=spf1 include:_spf-us.ionos.com ~all
SOAns1057.ui-dns.dehostmaster@1und1.com 2017-06-01 #11

com

WOT: SAFE (50/100)

Same first word

Similar names

DNS History

8 records (8 active, 0 former)

NSns1048.ui-dns.comns1057.ui-dns.dens1090.ui-dns.bizns1102.ui-dns.orgMXmx00.ionos.commx01.ionos.comA2001:8d8:100f:f000::200217.160.0.77
●NSns1048.ui-dns.com2026-03-04 β†’ 2026-04-12 Β· 2 obs
● 2026-03-04 06:20:28
● 2026-04-12 06:54:36
●NSns1057.ui-dns.de2026-03-04 β†’ 2026-04-12 Β· 2 obs
● 2026-03-04 06:20:28
● 2026-04-12 06:54:36
●NSns1090.ui-dns.biz2026-03-04 β†’ 2026-04-12 Β· 2 obs
● 2026-03-04 06:20:28
● 2026-04-12 06:54:36
●NSns1102.ui-dns.org2026-03-04 β†’ 2026-04-12 Β· 2 obs
● 2026-03-04 06:20:28
● 2026-04-12 06:54:36
●MXmx00.ionos.com2026-03-04 β†’ 2026-04-12 Β· 2 obs
● 2026-03-04 06:20:28
● 2026-04-12 06:54:36
●MXmx01.ionos.com2026-03-04 β†’ 2026-04-12 Β· 2 obs
● 2026-03-04 06:20:28
● 2026-04-12 06:54:36
●A2001:8d8:100f:f000::2002026-03-04 β†’ 2026-04-12 Β· 2 obs
● 2026-03-04 06:20:28
● 2026-04-12 06:54:36
●A217.160.0.772026-03-04 β†’ 2026-04-12 Β· 2 obs
● 2026-03-04 06:20:28
● 2026-04-12 06:54:36

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
dnstheory.comns1102.ui-dns.org, ns1057.ui-dns.de, ns1090.ui-dns.biz, ns1048.ui-dns.com2 records

βœ… Authoritative Response

Server:217.160.81.90

NS records: ns1102.ui-dns.org, ns1057.ui-dns.de, ns1090.ui-dns.biz, ns1048.ui-dns.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dnstheory.com (unsigned zone)

⏱️ Timing

Total: 472ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1217.160.0.77
AAAA12001:8d8:100f:f000::200
NS4ns1048.ui-dns.com, ns1090.ui-dns.biz...
MX2mx01.ionos.com (pri: 10), mx00.ionos.com (pri: 10)
TXT1v=spf1 include:_spf-us.ionos.com ~all
SOA1ns1057.ui-dns.de hostmaster.1und1.com

πŸ“Œ Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1048.ui-dns.com, ns1048.ui-dns.com)

Analysis

IP Addresses

dnstheory.com points to two IP numbers: 2001:8d8:100f:f000::200 and 217.160.0.77.

Other host names, for instance gros-tiefbau.net, salteco.de, fmh-rechner.de, acetsecurite.net and ladyofthelake.info share IP numbers with dnstheory.com.

Name Servers

dnstheory.com is delegated to four name servers: ns1090.ui-dns.biz, ns1048.ui-dns.com, ns1057.ui-dns.de and ns1102.ui-dns.org.

dnstheory.com shares name servers with other domains at least partially, for instance sochaps.com, happyberry.co.uk, zigarrenkisten.de, koehlen.eu and philkniss.com.

these name servers are commonly used with the name servers ns1057.ui-dns.biz, ns1048.ui-dns.de, ns1057.ui-dns.com, ns1057.ui-dns.org, ns1090.ui-dns.com, ns1090.ui-dns.de, ns1090.ui-dns.org, ns1102.ui-dns.de, ns1048.ui-dns.biz and ns1048.ui-dns.org.

Host names with two IP numbers:

ns1090.ui-dns.biz resolves to 2001:8d8:fe:53:0:d9a0:515a:100 and 217.160.81.90.

ns1048.ui-dns.com resolves to 2001:8d8:fe:53:0:d9a0:5230:100 and 217.160.82.48.

ns1057.ui-dns.de resolves to 2607:f1c0:fe:53:185:132:32:57 and 217.160.80.57.

ns1102.ui-dns.org resolves to 2001:8d8:fe:53:0:d9a0:5366:100 and 217.160.83.102.

Mail Servers

dnstheory.com is handled by two mail servers: mx00.ionos.com and mx01.ionos.com.

dnstheory.com shares the same mail server setup as other domains, including mypetair.net, titancreations.org, vaccineinjuryhelpcenter.com, srtaphouse.com and clarkwebdesigns.net.

dnstheory.com shares some mail servers with other domains, including 24hrer.com, arkbot.com and zigzagmart.com.

Host names with one IP number:

mx00.ionos.com points to: 74.208.5.3.

mx01.ionos.com points to: 74.208.5.21.