heartrhythmopen.com - robtex.com
heartrhythmopen.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.159.140.114Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.66.0.112🇺🇸 Cloudflare172.66.0.0/22 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.reedelsevier.com ⭐ | ||||||
| A | 138.12.4.5🇺🇸 AS32472138.12.0.0/17 | ||||||
| PTR | ns1.reedelsevier.com | ||||||
| NS | ns2.reedelsevier.com | ||||||
| A | 198.176.82.98🇬🇧 REED-ELSEVIER-EMEA-GCC198.176.82.0/24 | ||||||
| NS | ns3.reedelsevier.com | ||||||
| A | 198.176.82.101🇬🇧 REED-ELSEVIER-EMEA-GCC198.176.82.0/24 | ||||||
| PTR | ns3.reedelsevier.com | ||||||
| SOA | ns1.reedelsevier.comhostmaster@lexisnexis.com serial=30 | ||||||
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=1776108237 | ||||||
Same first word
heartrhythmopen.org |
heartrhythmopen.com |
DNS History
6 records (5 active, 1 former)
●NSns1.reedelsevier.com2019-12-17 → 2026-04-13 · 2 obs
● 2026-04-13 19:33:20
●NSns2.reedelsevier.com2019-12-17 → 2026-04-13 · 2 obs
● 2026-04-13 19:33:20
●NSns3.reedelsevier.com2019-12-17 → 2026-04-13 · 2 obs
● 2026-04-13 19:33:20
●A162.159.140.1142026-04-12 → 2026-04-13 · 3 obs
● 2026-04-12 05:34:32
● 2026-04-13 19:33:20
●A172.66.0.1122026-04-12 → 2026-04-13 · 3 obs
● 2026-04-12 05:34:32
● 2026-04-13 19:33:20
○A65.156.1.1002019-12-17 → 2019-12-17 · 3 obs
○ 2026-04-12 05:34:32
○ 2026-04-13 19:33:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| heartrhythmopen.com | ns1.reedelsevier.com, ns2.reedelsevier.com, ns3.reedelsevier.com | 3 records |
✅ Authoritative Response
Server:198.176.82.98
NS records: ns1.reedelsevier.com, ns2.reedelsevier.com, ns3.reedelsevier.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for heartrhythmopen.com (unsigned zone)
⏱️ Timing
Total: 2184ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 162.159.140.114, 172.66.0.112 |
| NS | 3 | ns3.reedelsevier.com, ns2.reedelsevier.com... |
| SOA | 1 | ns1.reedelsevier.com hostmaster.lexisnex |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.reedelsevier.com, ns2.reedelsevier.com, ns3.reedelsevier.com)
Analysis
IP Addresses
heartrhythmopen.com resolves to two IPs: 162.159.140.114 and 172.66.0.112.
other host names for instance yd.uvwx0.com, advancesinsmallanimalcare.com, clinicalnutritionjournal.org, journalofosteopathicmedicine.com and jthjournal.org share IP numbers with heartrhythmopen.com.
Name Servers
heartrhythmopen.com is delegated to three name servers: ns1.reedelsevier.com, ns2.reedelsevier.com and ns3.reedelsevier.com.
heartrhythmopen.com at least partially shares name servers with other domains, for instance lexisnexis.bh, lexislawyer.com, rellexgroupplc.com, irssurveys.co.uk and lexisnexis.cn.com.
Host names with one IP number:
ns1.reedelsevier.com points to 138.12.4.5.
ns2.reedelsevier.com points to 198.176.82.98.
ns3.reedelsevier.com points to 198.176.82.101.