interviewrulebook.com - dns.ninja
interviewrulebook.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 168.231.77.134🇨🇱 IIHOS001168.231.76.0/23 HOSTINGER FR | ||||||
| PTR | srv1157290.hstgr.cloud | ||||||
| NS | ns1.a2hosting.com ⭐ | ||||||
| A | 13.248.158.180🇺🇸 Amazon13.248.144.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns2.a2hosting.com | ||||||
| A | 75.2.118.134🇺🇸 Amazon75.2.112.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| NS | ns3.a2hosting.com ⚠️ Not in parent delegation | ||||||
| A | 76.223.26.245🇺🇸 Amazon76.223.16.0/20 | ||||||
| PTR | a79764cc55c0ac9c0.awsglobalaccelerator.com | ||||||
| NS | ns4.a2hosting.com ⚠️ Not in parent delegation | ||||||
| A | 99.83.147.209🇺🇸 Amazon99.83.144.0/20 | ||||||
| PTR | abc65dd9a44b5332f.awsglobalaccelerator.com | ||||||
| MX | mail.interviewrulebook.com ⭐ | ||||||
| A | 66.198.240.21🇺🇸 vercara-udos66.198.240.0/24 | ||||||
| PTR | mi3-cl9-its1.a2hosting.com | ||||||
| TXT | v=spf1 +a +mx +ip4:66.198.240.21 include:spf.a2hosting.com ~all | ||||||
| SOA | ns1.a2hosting.comroot@mi3-cl9-its1.a2hosting.com 2025-05-23 #0 | ||||||
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=1786223084 | ||||||
Subdomains
mail.interviewrulebook.com |
Same first word
interviewrulebook.com |
DNS History
11 records (6 active, 5 former)
●NSns1.a2hosting.com2026-03-24 → 2026-08-08 · 3 obs
● 2026-03-24 08:47:10
● 2026-08-08 21:22:48
●NSns2.a2hosting.com2026-03-24 → 2026-08-08 · 3 obs
● 2026-03-24 08:47:10
● 2026-08-08 21:22:48
●NSns3.a2hosting.com2026-03-24 → 2026-08-08 · 3 obs
● 2026-03-24 08:47:10
● 2026-08-08 21:22:48
○NSns39.domaincontrol.com2017-01-04 → 2018-01-11 · 4 obs
● 2018-01-11 11:16:48
○ 2026-03-24 08:47:10
○ 2026-08-08 21:22:48
●NSns4.a2hosting.com2026-03-24 → 2026-08-08 · 3 obs
● 2026-03-24 08:47:10
● 2026-08-08 21:22:48
○NSns40.domaincontrol.com2017-01-04 → 2018-01-11 · 4 obs
● 2018-01-11 11:16:48
○ 2026-03-24 08:47:10
○ 2026-08-08 21:22:48
●MXmail.interviewrulebook.com2026-03-24 → 2026-08-08 · 3 obs
● 2026-03-24 08:47:10
● 2026-08-08 21:22:48
○MXmailstore1.secureserver.net2017-01-04 → 2018-01-11 · 4 obs
● 2018-01-11 11:16:48
○ 2026-03-24 08:47:10
○ 2026-08-08 21:22:48
○MXsmtp.secureserver.net2017-01-04 → 2018-01-11 · 4 obs
● 2018-01-11 11:16:48
○ 2026-03-24 08:47:10
○ 2026-08-08 21:22:48
●A168.231.77.1342026-03-24 → 2026-08-08 · 3 obs
● 2026-03-24 08:47:10
● 2026-08-08 21:22:48
○A50.63.202.512017-01-04 → 2018-01-11 · 4 obs
● 2018-01-11 11:16:48
○ 2026-03-24 08:47:10
○ 2026-08-08 21:22:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| interviewrulebook.com | ns1.a2hosting.com, ns2.a2hosting.com | 2 records |
✅ Authoritative Response
Server:13.248.158.180
NS records: ns1.a2hosting.com, ns2.a2hosting.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for interviewrulebook.com (unsigned zone)
⏱️ Timing
Total: 148ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 168.231.77.134 |
| NS | 4 | ns4.a2hosting.com, ns3.a2hosting.com... |
| MX | 1 | mail.interviewrulebook.com (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:66.198.240.21 include |
| SOA | 1 | ns1.a2hosting.com root.mi3-cl9-its1.a2ho |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.a2hosting.com, ns2.a2hosting.com)
Analysis
Hierarchy
mail.interviewrulebook.com is delegated beneath interviewrulebook.com.
IP Addresses
interviewrulebook.com resolves to one IP address: 168.231.77.134.
Additional host names such as immigrationhut.com, intermend.com, srv1157290.hstgr.cloud and jackson-wyatt.com share IP numbers with interviewrulebook.com.
Name Servers
The authoritative name servers for interviewrulebook.com are ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and ns4.a2hosting.com.
There is at least partial name server overlap between interviewrulebook.com and other domains — swtrgroup.com, hilltromper.com, mockola.com and two more among them.
These name servers regularly appear alongside ns1.a2webhosting.com, ns2.a2webhosting.com, ns1.mysecurecloudhost.com and 3 other name servers in NS record sets.
Each of the four hosts ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and ns4.a2hosting.com points to a single IP address — ns1.a2hosting.com points to 13.248.158.180, ns2.a2hosting.com points to 75.2.118.134, ns3.a2hosting.com points to 76.223.26.245 and ns4.a2hosting.com points to 99.83.147.209.
Mail Servers
Mail for interviewrulebook.com is handled by a single mail server, mail.interviewrulebook.com.
There is one IP number for mail.interviewrulebook.com: 66.198.240.21.