mark-costello.com - robtex.com
mark-costello.com
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=1771291435 | ||||||
Previously MX for
mark-costello.com |
Subdomains
mail.mark-costello.com |
Same first word
mark-costello.com |
mark-costello.net |
DNS History
13 records (5 active, 8 former)
●NSns1.bluehost.com2017-02-10 → 2026-03-24 · 3 obs
● 2017-02-10 07:44:02
● 2026-03-24 05:08:52
○NSns1.roncastle.com2015-08-14 → 2016-06-21 · 4 obs
● 2016-06-21 18:56:48
○ 2017-02-10 07:44:02
○ 2026-03-24 05:08:52
●NSns2.bluehost.com2017-02-10 → 2026-03-24 · 3 obs
● 2017-02-10 07:44:02
● 2026-03-24 05:08:52
○NSns2.roncastle.com2015-08-14 → 2016-06-21 · 4 obs
● 2016-06-21 18:56:48
○ 2017-02-10 07:44:02
○ 2026-03-24 05:08:52
○MXfallbackmx.spamexperts.eu2017-02-10 → 2018-12-13 · 5 obs
● 2017-02-10 07:44:02
● 2018-12-13 01:32:12
○ 2026-03-12 08:56:58
○ 2026-03-24 05:08:52
○MXlastmx.spamexperts.net2017-02-10 → 2018-12-13 · 5 obs
● 2017-02-10 07:44:02
● 2018-12-13 01:32:12
○ 2026-03-12 08:56:58
○ 2026-03-24 05:08:52
○MXmark-costello.com2015-08-14 → 2016-06-21 · 4 obs
● 2016-06-21 18:56:48
○ 2017-02-10 07:44:02
○ 2026-03-24 05:08:52
○MXmx.spamexperts.com2017-02-10 → 2018-12-13 · 5 obs
● 2017-02-10 07:44:02
● 2018-12-13 01:32:12
○ 2026-03-12 08:56:58
○ 2026-03-24 05:08:52
●MXsmtp.google.com2026-03-12 → 2026-03-24 · 3 obs
● 2026-03-12 08:56:58
● 2026-03-24 05:08:52
●A194.1.147.202026-03-12 → 2026-03-24 · 3 obs
● 2026-03-12 08:56:58
● 2026-03-24 05:08:52
●A194.1.147.612026-03-12 → 2026-03-24 · 3 obs
● 2026-03-12 08:56:58
● 2026-03-24 05:08:52
○A198.1.77.2102015-08-14 → 2016-06-21 · 4 obs
● 2016-06-21 18:56:48
○ 2017-02-10 07:44:02
○ 2026-03-24 05:08:52
○A50.87.227.2282017-02-10 → 2018-12-13 · 5 obs
● 2017-02-10 07:44:02
● 2018-12-13 01:32:12
○ 2026-03-12 08:56:58
○ 2026-03-24 05:08:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| mark-costello.com | ns1.bluehost.com, ns2.bluehost.com | 2 records |
✅ Authoritative Response
Server:162.159.25.175
NS records: ns1.bluehost.com, ns2.bluehost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mark-costello.com (unsigned zone)
⏱️ Timing
Total: 278ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 194.1.147.61, 194.1.147.20 |
| NS | 2 | ns1.bluehost.com, ns2.bluehost.com |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 2 | v=spf1 +a +mx +ip4:50.87.138.58 +ip4:50., v=spf1 a mx include:websitewelcome.com ~ |
| SOA | 1 | NS1.BLUEHOST.com root.BLUEHOST.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.bluehost.com, ns2.bluehost.com)
Analysis
Hierarchy
mark-costello.com is the parent of mail.mark-costello.com.
IP Addresses
mark-costello.com points to two IPs: 194.1.147.20 and 194.1.147.61.
Other host names including fluentinkorean.com, vanworks.com, beacamstar.com, geotravelermedia.com and m2mblinds.ie share IP numbers with mark-costello.com.
Name Servers
mark-costello.com's delegation uses two name servers, ns1.bluehost.com and ns2.bluehost.com.
mark-costello.com shares the same name server setup as other domains, for example sandctowing.com, angrimson.com, mgk.ae, adstarch.com and knoxalliance.com.
mark-costello.com at least partially shares name servers with other domains, for example kings-park.org, adcks.com and renuevatic.com.
Host names with a single IP:
ns1.bluehost.com points to 162.159.24.80.
ns2.bluehost.com points to 162.159.25.175.
Mail Servers
mark-costello.com is handled by a single mail server, smtp.google.com.
mark-costello.com shares its mail server setup with other domains, including oracomp.com, atlas-energie.com, thoesamling.de, boutiquehotelpmssoftware.com and e-innova.cl.
mark-costello.com shares some mail servers with other domains, for instance onwait.com, floranotis-jillstuart.com, pbsrichmond.com and algebra.capital.
these mail servers are commonly used with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
The host name smtp.google.com points to nine IP numbers: 2607:f8b0:4023:c06::1a, 2607:f8b0:4023:c06::1b, 2607:f8b0:4023:c0b::1a, 2607:f8b0:4023:c0b::1b, 142.250.101.26, 142.250.101.27, 142.250.141.26, 142.250.141.27 and 142.251.2.26.