markcrocker.com - robtex.com
markcrocker.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 75.145.219.202🇺🇸 COMCAST-IBONE75.144.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | 75-145-219-202-memphis.hfc.comcastbusiness.net | ||||||
| NS | ns73.worldnic.com ⭐ | ||||||
| A | 162.159.26.27Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns74.worldnic.com | ||||||
| A | 162.159.27.78Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mail.markcrocker.com ⭐ | ||||||
| A | 75.145.219.202🇺🇸 COMCAST-IBONE75.144.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | 75-145-219-202-memphis.hfc.comcastbusiness.net | ||||||
| TXT | v=spf1 mx ~all | ||||||
| SOA | NS73.WORLDNIC.comnamehost@WORLDNIC.com serial=123092700 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774609682 | ||||||
Subdomains
Same first word
markcrocker.com |
markcrocker.co.uk |
DNS History
16 records (4 active, 12 former)
○NSns1.carrierzone.com2015-08-14 → 2017-04-07 · 5 obs
● 2015-08-14 21:44:04
● 2017-04-07 10:10:28
○ 2026-03-27 05:19:20
○ 2026-03-27 11:09:02
○NSns1.speakeasy.net2009-01-11 → 2009-01-11 · 3 obs
○ 2015-08-14 21:44:04
○ 2026-03-27 11:09:02
○NSns2.carrierzone.com2015-08-14 → 2017-04-07 · 5 obs
● 2015-08-14 21:44:04
● 2017-04-07 10:10:28
○ 2026-03-27 05:19:20
○ 2026-03-27 11:09:02
○NSns2.speakeasy.net2009-01-11 → 2009-01-11 · 3 obs
○ 2015-08-14 21:44:04
○ 2026-03-27 11:09:02
○NSns3.carrierzone.com2015-08-14 → 2017-04-07 · 5 obs
● 2015-08-14 21:44:04
● 2017-04-07 10:10:28
○ 2026-03-27 05:19:20
○ 2026-03-27 11:09:02
○NSns4.carrierzone.com2015-08-14 → 2017-04-07 · 5 obs
● 2015-08-14 21:44:04
● 2017-04-07 10:10:28
○ 2026-03-27 05:19:20
○ 2026-03-27 11:09:02
●NSns73.worldnic.com2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 05:19:20
● 2026-03-27 11:09:02
●NSns74.worldnic.com2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 05:19:20
● 2026-03-27 11:09:02
●MXmail.markcrocker.com2026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 05:19:20
● 2026-03-27 11:09:02
○MXmx01.speakeasy.net2009-01-11 → 2009-01-11 · 3 obs
○ 2015-08-14 21:44:04
○ 2026-03-27 11:09:02
○MXmx02.speakeasy.net2009-01-11 → 2009-01-11 · 3 obs
○ 2015-08-14 21:44:04
○ 2026-03-27 11:09:02
○MXmx1c25.carrierzone.com2015-08-14 → 2017-04-07 · 5 obs
● 2015-08-14 21:44:04
● 2017-04-07 10:10:28
○ 2026-03-27 05:19:20
○ 2026-03-27 11:09:02
○MXmx2c25.carrierzone.com2015-08-14 → 2017-04-07 · 5 obs
● 2015-08-14 21:44:04
● 2017-04-07 10:10:28
○ 2026-03-27 05:19:20
○ 2026-03-27 11:09:02
○A64.29.145.92015-08-14 → 2017-04-07 · 5 obs
● 2015-08-14 21:44:04
● 2017-04-07 10:10:28
○ 2026-03-27 05:19:20
○ 2026-03-27 11:09:02
○A69.17.116.1242009-01-11 → 2009-01-11 · 3 obs
○ 2015-08-14 21:44:04
○ 2026-03-27 11:09:02
●A75.145.219.2022026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 05:19:20
● 2026-03-27 11:09:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| markcrocker.com | ns73.worldnic.com, ns74.worldnic.com | 2 records |
✅ Authoritative Response
Server:162.159.26.27
NS records: ns73.worldnic.com, ns74.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for markcrocker.com (unsigned zone)
⏱️ Timing
Total: 171ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 75.145.219.202 |
| NS | 2 | ns73.worldnic.com, ns74.worldnic.com |
| MX | 1 | mail.markcrocker.com (pri: 10) |
| TXT | 1 | v=spf1 mx ~all |
| SOA | 1 | NS73.WORLDNIC.com namehost.WORLDNIC.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns73.worldnic.com, ns74.worldnic.com)
Analysis
Hierarchy
markcrocker.com is a parent of mail.markcrocker.com and www.markcrocker.com.
IP Addresses
markcrocker.com resolves to one IP number: 75.145.219.202.
Other host names such as mail.markcrocker.com and www.markcrocker.com share IP numbers with markcrocker.com.
Name Servers
markcrocker.com is delegated to two name servers ns73.worldnic.com and ns74.worldnic.com.
markcrocker.com shares the same name server setup as other domains, for instance rsp-mail.com, cuadrodemando.com, stophatespeech.org, besafest.com and 959trusts.com.
markcrocker.com at least partially shares name servers with other domains, for instance petfoodmanufacturing.com.
Host names with one IP number:
ns73.worldnic.com points to 162.159.26.27
ns74.worldnic.com points to 162.159.27.78
Mail Servers
markcrocker.com is handled by a single mail server, mail.markcrocker.com.
mail.markcrocker.com resolves to IP 75.145.219.202.