holt.center - robtex.com

holt.center

DNSSEC⚠️ Not signed
A2607:f1c0:100f:f000::200πŸ‡ΊπŸ‡Έ IONOS-AS2607:f1c0::/32 1&1 Internet Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTR2607-f1c0-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
A74.208.236.38πŸ‡ΊπŸ‡Έ IONOS-AS74.208.0.0/16 IONOS Inc.
NSns-us.1and1-dns.com ⭐
A2001:8d8:fe:53:0:d9a0:5202:100πŸ‡©πŸ‡ͺ IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-us.1and1-dns.com
A217.160.82.2πŸ‡©πŸ‡ͺ IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-us.1and1-dns.com
NSns-us.1and1-dns.de
A2001:8d8:fe:53:0:d9a0:5002:100πŸ‡©πŸ‡ͺ IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-us.1and1-dns.de
A217.160.80.2πŸ‡©πŸ‡ͺ IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-us.1and1-dns.de
NSns-us.1and1-dns.org
A2001:8d8:fe:53:0:d9a0:5302:100πŸ‡©πŸ‡ͺ IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-us.1and1-dns.org
A217.160.83.2πŸ‡©πŸ‡ͺ IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-us.1and1-dns.org
NSns-us.1and1-dns.us
A2001:8d8:fe:53:0:d9a0:5102:100πŸ‡©πŸ‡ͺ IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns-us.1and1-dns.us
A217.160.81.2πŸ‡©πŸ‡ͺ IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns-us.1and1-dns.us
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
SOAns-us.1and1-dns.comhostmaster@1and1.com 2016-09-13 #9

center

DNSSECπŸ”’ Signed (DS record present)
NSv0n0.nic.center ⭐
NSv0n1.nic.center
NSv0n2.nic.center
NSv0n3.nic.center
NSv2n0.nic.center
NSv2n1.nic.center
SOAv0n0.nic.centerhostmaster@donuts.email serial=1782052864

Same first word

Similar names

DNS History

12 records (8 active, 4 former)

2017201820192020202120222023202420252026NSns-us.1and1-dns.comns-us.1and1-dns.dens-us.1and1-dns.orgns-us.1and1-dns.usMXmx00.ionos.commx01.ionos.commx00.1and1.commx01.1and1.comA2607:f1c0:100f:f000::20074.208.236.382607:f1c0:1000:70b7:dc:ad7a:7d37:400074.208.215.246
●NSns-us.1and1-dns.com2016-12-11 β†’ 2026-06-21 Β· 2 obs
● 2016-12-11 00:03:04
● 2026-06-21 15:14:40
●NSns-us.1and1-dns.de2016-12-11 β†’ 2026-06-21 Β· 2 obs
● 2016-12-11 00:03:04
● 2026-06-21 15:14:40
●NSns-us.1and1-dns.org2016-12-11 β†’ 2026-06-21 Β· 2 obs
● 2016-12-11 00:03:04
● 2026-06-21 15:14:40
●NSns-us.1and1-dns.us2016-12-11 β†’ 2026-06-21 Β· 2 obs
● 2016-12-11 00:03:04
● 2026-06-21 15:14:40
β—‹MXmx00.1and1.com2016-12-11 β†’ 2017-10-02 Β· 4 obs
● 2016-12-11 00:03:04
● 2017-10-02 04:17:20
β—‹ 2026-06-13 09:04:44
β—‹ 2026-06-21 15:14:40
●MXmx00.ionos.com2026-06-13 β†’ 2026-06-21 Β· 3 obs
β—‹ 2017-10-02 04:17:20
● 2026-06-13 09:04:44
● 2026-06-21 15:14:40
β—‹MXmx01.1and1.com2016-12-11 β†’ 2017-10-02 Β· 4 obs
● 2016-12-11 00:03:04
● 2017-10-02 04:17:20
β—‹ 2026-06-13 09:04:44
β—‹ 2026-06-21 15:14:40
●MXmx01.ionos.com2026-06-13 β†’ 2026-06-21 Β· 3 obs
β—‹ 2017-10-02 04:17:20
● 2026-06-13 09:04:44
● 2026-06-21 15:14:40
β—‹A2607:f1c0:1000:70b7:dc:ad7a:7d37:40002016-12-11 β†’ 2017-10-02 Β· 4 obs
● 2016-12-11 00:03:04
● 2017-10-02 04:17:20
β—‹ 2026-06-13 09:04:44
β—‹ 2026-06-21 15:14:40
●A2607:f1c0:100f:f000::2002026-06-13 β†’ 2026-06-21 Β· 3 obs
β—‹ 2017-10-02 04:17:20
● 2026-06-13 09:04:44
● 2026-06-21 15:14:40
β—‹A74.208.215.2462016-12-11 β†’ 2017-10-02 Β· 4 obs
● 2016-12-11 00:03:04
● 2017-10-02 04:17:20
β—‹ 2026-06-13 09:04:44
β—‹ 2026-06-21 15:14:40
●A74.208.236.382026-06-13 β†’ 2026-06-21 Β· 3 obs
β—‹ 2017-10-02 04:17:20
● 2026-06-13 09:04:44
● 2026-06-21 15:14:40

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
centerv0n0.nic.center, v2n0.nic.center, v0n2.nic.center, v0n3.nic.center...12 records
holt.centerns-us.1and1-dns.de, ns-us.1and1-dns.org, ns-us.1and1-dns.com, ns-us.1and1-dns.us-

βœ… Authoritative Response

Server:217.160.80.2

NS records: ns-us.1and1-dns.de, ns-us.1and1-dns.org, ns-us.1and1-dns.com, ns-us.1and1-dns.us

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for holt.center (unsigned zone)

⏱️ Timing

Total: 541ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A174.208.236.38
AAAA12607:f1c0:100f:f000::200
NS4ns-us.1and1-dns.org, ns-us.1and1-dns.us...
MX2mx01.ionos.com (pri: 10), mx00.ionos.com (pri: 10)
TXT1v=spf1 include:_spf-us.ionos.com ~all
SOA1ns-us.1and1-dns.com hostmaster.1and1.com

πŸ“Œ Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.center, v0n0.nic.center, v2n0.nic.center...)

Analysis

IP Addresses

holt.center has two IP addresses: 74.208.236.38 and 2607:f1c0:100f:f000::200

consensusiq.com, eastermanagement.com, nicolatorre.com plus two other host names have IP numbers in common with holt.center.

Name Servers

Four name servers handle the delegation for holt.center: ns-us.1and1-dns.com, ns-us.1and1-dns.de, ns-us.1and1-dns.org and ns-us.1and1-dns.us.

There is at least partial name server overlap between holt.center and other domains β€” harrisburgdiygaragecabinets.com, aquatictechnologies.engineering, jkoral.com and two more among them.

These name servers regularly appear alongside ns51.1and1.com, ns52.1and1.com, ns1045.ui-dns.biz and 3 other name servers in NS record sets.

All four hostnames β€” ns-us.1and1-dns.com, ns-us.1and1-dns.de, ns-us.1and1-dns.org and ns-us.1and1-dns.us β€” resolve to two IP numbers apiece: ns-us.1and1-dns.com to 217.160.82.2 and 2001:8d8:fe:53:0:d9a0:5202:100; ns-us.1and1-dns.de to 217.160.80.2 and 2001:8d8:fe:53:0:d9a0:5002:100; ns-us.1and1-dns.org to 217.160.83.2 and 2001:8d8:fe:53:0:d9a0:5302:100; ns-us.1and1-dns.us to 217.160.81.2 and 2001:8d8:fe:53:0:d9a0:5102:100.

Mail Servers

holt.center uses two mail servers, mx00.ionos.com and mx01.ionos.com.

The mail server setup of holt.center matches that of other domains such as radsong.com, parodycards.com, wetlife.org and two others.

holt.center and other domains β€” shotbymk.com for instance β€” share at least some mail servers.

mx00.ionos.com β†’ 74.208.5.3 and mx01.ionos.com β†’ 74.208.5.21: one IP number per host name.