olnb.com - dns.ninja
olnb.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=1782412755 | ||||||
Subdomains
mail.olnb.com |
Same first word
olnb.com |
Similar names
DNS History
14 records (10 active, 4 former)
●NSa1-135.akam.net2026-02-16 → 2026-06-25 · 3 obs
● 2026-02-16 23:42:36
● 2026-06-25 19:06:44
●NSa1-66.akam.net2026-02-16 → 2026-06-25 · 3 obs
● 2026-02-16 23:42:36
● 2026-06-25 19:06:44
●NSa11-66.akam.net2026-02-16 → 2026-06-25 · 3 obs
● 2026-02-16 23:42:36
● 2026-06-25 19:06:44
●NSa16-67.akam.net2026-02-16 → 2026-06-25 · 3 obs
● 2026-02-16 23:42:36
● 2026-06-25 19:06:44
●NSa18-64.akam.net2026-02-16 → 2026-06-25 · 3 obs
● 2026-02-16 23:42:36
● 2026-06-25 19:06:44
●NSa26-65.akam.net2026-02-16 → 2026-06-25 · 3 obs
● 2026-02-16 23:42:36
● 2026-06-25 19:06:44
●NSa7-66.akam.net2026-02-16 → 2026-06-25 · 3 obs
● 2026-02-16 23:42:36
● 2026-06-25 19:06:44
○NSbdiia01.fnfis.com2015-06-23 → 2016-12-09 · 4 obs
● 2016-12-09 02:00:22
○ 2026-02-16 23:42:36
○ 2026-06-25 19:06:44
○NSns1.fisglobal.com2015-06-23 → 2016-12-09 · 4 obs
● 2016-12-09 02:00:22
○ 2026-02-16 23:42:36
○ 2026-06-25 19:06:44
○NSns2.fisglobal.com2015-06-23 → 2016-12-09 · 4 obs
● 2016-12-09 02:00:22
○ 2026-02-16 23:42:36
○ 2026-06-25 19:06:44
○NSns3.fisglobal.com2015-06-23 → 2016-12-09 · 4 obs
● 2016-12-09 02:00:22
○ 2026-02-16 23:42:36
○ 2026-06-25 19:06:44
●MXmail.delmarvadata.com2015-06-23 → 2026-06-25 · 2 obs
● 2026-06-25 19:06:44
●MXmxa-0010d901.gslb.pphosted.com2015-06-23 → 2026-06-25 · 2 obs
● 2026-06-25 19:06:44
●MXmxb-0010d901.gslb.pphosted.com2015-06-23 → 2026-06-25 · 2 obs
● 2026-06-25 19:06:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| olnb.com | a11-66.akam.net, a7-66.akam.net, a16-67.akam.net, a18-64.akam.net... | - |
✅ Authoritative Response
Server:84.53.139.66
NS records: a11-66.akam.net, a7-66.akam.net, a16-67.akam.net, a18-64.akam.net, a26-65.akam.net, a1-135.akam.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for olnb.com (unsigned zone)
⏱️ Timing
Total: 1921ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 6 | a11-66.akam.net, a1-135.akam.net... |
| MX | 3 | mail.delmarvadata.com (pri: 30), mxb-0010d901.gslb.pphosted.com (pri: 10)... |
| TXT | 1 | v=spf1 mx include:delmarvadata.com inclu |
| SOA | 1 | a1-66.akam.net admin.dnstinations.com |
Analysis
Hierarchy
olnb.com is the parent zone for mail.olnb.com.
Name Servers
The DNS delegation for olnb.com covers 7 name servers: a1-135.akam.net, a1-66.akam.net, a11-66.akam.net and 4 more.
olnb.com partially shares its NS delegation with several other domains, including saleslynk.com, f-secure.com.pk, maxximumlounge.com and two others.
In DNS configurations, these name servers often share authority with a7-66.akam.net, a18-64.akam.net, a16-67.akam.net and 7 other name servers.
Hostnames that resolve to two IP addresses:
a1-135.akam.net maps to two IP addresses — 193.108.91.135 and 2600:1401:2::87.
a1-66.akam.net maps to two IP addresses — 193.108.91.66 and 2600:1401:2::42.
a11-66.akam.net maps to two IP addresses — 84.53.139.66 and 2600:1480:1::42.
a16-67.akam.net maps to two IP addresses — 23.211.132.67 and 2600:1406:1b::43.
a18-64.akam.net maps to two IP addresses — 95.101.36.64 and 2600:1480:4800::40.
a26-65.akam.net maps to two IP addresses — 23.74.25.65 and 2600:1480:b800::41.
a7-66.akam.net maps to two IP addresses — 23.61.199.66 and 2600:1406:32::42.
Mail Servers
olnb.com uses three mail servers — mail.delmarvadata.com, mxa-0010d901.gslb.pphosted.com and mxb-0010d901.gslb.pphosted.com.
olnb.com has at least partial mail server overlap with other domains such as delmarvadatacenter.com, delmarvadata.net, ddcimage.net and two more.
Hosts with just one IP address:
mail.delmarvadata.com points to the IP address 65.162.26.230.