nelcor.com - dns.ninja

nelcor.com

DNSSEC⚠️ Not signed
A74.112.74.52🇺🇸 ASN-1504274.112.74.0/23 Proxy fbo Windstream Customer
NSobplesk01.onlinespamsolutions.com ⭐ ⚠️ Not in parent delegation
A74.112.74.48🇺🇸 ASN-1504274.112.74.0/23 Proxy fbo Windstream Customer
PTRobplesk01.onlinespamsolutions.com
NSdns1.isolnet.com ⚠️ Not in zone NS records
A74.112.74.218🇺🇸 ASN-1504274.112.74.0/23 Proxy fbo Windstream Customer
NSdns1.onlinespamsolutions.com ⚠️ Not in parent delegation
A74.112.74.218🇺🇸 ASN-1504274.112.74.0/23 Proxy fbo Windstream Customer
NSdns2.isolnet.com ⚠️ Not in zone NS records
A23.25.0.218🇺🇸 COMCAST-IBONE23.24.0.0/15 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTR23-25-0-218-static.hfc.comcastbusiness.net
NSdns2.onlinespamsolutions.com ⚠️ Not in parent delegation
A74.112.74.219🇺🇸 ASN-1504274.112.74.0/23 Proxy fbo Windstream Customer
NSdns3.onlinespamsolutions.com ⚠️ Not in parent delegation
A23.25.0.218🇺🇸 COMCAST-IBONE23.24.0.0/15 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTR23-25-0-218-static.hfc.comcastbusiness.net
NSdns4.onlinespamsolutions.com ⚠️ Not in parent delegation
A23.25.0.219🇺🇸 COMCAST-IBONE23.24.0.0/15 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTR23-25-0-219-static.hfc.comcastbusiness.net
NSgldns01.onlinespamsolutions.com ⚠️ Not in parent delegation
A23.25.0.218🇺🇸 COMCAST-IBONE23.24.0.0/15 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTR23-25-0-218-static.hfc.comcastbusiness.net
NSgldns02.onlinespamsolutions.com ⚠️ Not in parent delegation
A23.25.0.219🇺🇸 COMCAST-IBONE23.24.0.0/15 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTR23-25-0-219-static.hfc.comcastbusiness.net
NSobdns01.onlinespamsolutions.com ⚠️ Not in parent delegation
A74.112.74.218🇺🇸 ASN-1504274.112.74.0/23 Proxy fbo Windstream Customer
NSobdns02.onlinespamsolutions.com ⚠️ Not in parent delegation
A74.112.74.219🇺🇸 ASN-1504274.112.74.0/23 Proxy fbo Windstream Customer
NStest ⚠️ Not in parent delegation
MXnelcor-com.mail.protection.outlook.com ⭐
TXTMS=ms88359106
TXTv=spf1 include:spf.protection.outlook.com +ip4:64.7.110.240/29 +ip4:23.25.0.2...
SOAobplesk01.onlinespamsolutions.comt\@nelmark.nelcor.com 2024-03-02 #3

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1786504434
WOT: SAFE (1/100)

Same first word

nelcor.com
nelcor.net

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DNS History

27 records (14 active, 13 former)

200920112013201520172019202120232025NSdns1.isolnet.comdns1.onlinespamsolutions.comdns2.isolnet.comdns2.onlinespamsolutions.comdns3.onlinespamsolutions.comdns4.onlinespamsolutions.comgldns01.onlinespamsolutions.comgldns02.onlinespamsolutions.comobdns01.onlinespamsolutions.comobdns02.onlinespamsolutions.comobplesk01.onlinespamsolutions.comtestns.nelcor.comns1.bluegravity.comns2.bluegravity.comonyx.onlinespamsolutions.complesk.onlinespamsolutions.comMXnelcor-com.mail.protection.outlook.commx11.spamquarantine.commx12.spamquarantine.commx13.spamquarantine.commx14.spamquarantine.comnomail.bluegravity.comA74.112.74.5264.57.78.14874.112.73.1874.112.73.56
●NSdns1.isolnet.com2015-07-15 → 2026-08-12 · 7 obs
○ 2008-03-20 04:50:28
● 2015-07-15 14:09:38
● 2015-11-12 05:40:22
○ 2016-02-05 08:24:52
○ 2020-01-12 12:25:38
● 2026-02-15 22:28:32
● 2026-08-12 03:20:38
●NSdns1.onlinespamsolutions.com2016-02-05 → 2026-08-12 · 3 obs
○ 2015-11-12 05:40:22
● 2016-02-05 08:24:52
● 2026-08-12 03:20:38
●NSdns2.isolnet.com2015-07-15 → 2026-08-12 · 7 obs
○ 2008-03-20 04:50:28
● 2015-07-15 14:09:38
● 2015-11-12 05:40:22
○ 2016-02-05 08:24:52
○ 2020-01-12 12:25:38
● 2026-02-15 22:28:32
● 2026-08-12 03:20:38
●NSdns2.onlinespamsolutions.com2016-02-05 → 2026-08-12 · 3 obs
○ 2015-11-12 05:40:22
● 2016-02-05 08:24:52
● 2026-08-12 03:20:38
●NSdns3.onlinespamsolutions.com2016-02-05 → 2026-08-12 · 3 obs
○ 2015-11-12 05:40:22
● 2016-02-05 08:24:52
● 2026-08-12 03:20:38
●NSdns4.onlinespamsolutions.com2016-02-05 → 2026-08-12 · 3 obs
○ 2015-11-12 05:40:22
● 2016-02-05 08:24:52
● 2026-08-12 03:20:38
●NSgldns01.onlinespamsolutions.com2026-02-15 → 2026-08-12 · 3 obs
○ 2020-01-12 12:25:38
● 2026-02-15 22:28:32
● 2026-08-12 03:20:38
●NSgldns02.onlinespamsolutions.com2026-02-15 → 2026-08-12 · 3 obs
○ 2020-01-12 12:25:38
● 2026-02-15 22:28:32
● 2026-08-12 03:20:38
○NSns.nelcor.com2015-07-15 → 2015-11-12 · 5 obs
○ 2008-03-20 04:50:28
● 2015-07-15 14:09:38
● 2015-11-12 05:40:22
○ 2016-02-05 08:24:52
○ 2026-08-12 03:20:38
○NSns1.bluegravity.com2008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 04:50:28
○ 2015-07-15 14:09:38
○ 2026-08-12 03:20:38
○NSns2.bluegravity.com2008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 04:50:28
○ 2015-07-15 14:09:38
○ 2026-08-12 03:20:38
●NSobdns01.onlinespamsolutions.com2026-02-15 → 2026-08-12 · 3 obs
○ 2020-01-12 12:25:38
● 2026-02-15 22:28:32
● 2026-08-12 03:20:38
●NSobdns02.onlinespamsolutions.com2026-02-15 → 2026-08-12 · 3 obs
○ 2020-01-12 12:25:38
● 2026-02-15 22:28:32
● 2026-08-12 03:20:38
●NSobplesk01.onlinespamsolutions.com2026-02-15 → 2026-08-12 · 3 obs
○ 2020-01-12 12:25:38
● 2026-02-15 22:28:32
● 2026-08-12 03:20:38
○NSonyx.onlinespamsolutions.com2020-01-12 → 2020-01-12 · 4 obs
○ 2016-04-25 15:35:52
● 2020-01-12 12:25:38
○ 2026-02-15 22:28:32
○ 2026-08-12 03:20:38
○NSplesk.onlinespamsolutions.com2016-02-05 → 2016-04-25 · 5 obs
○ 2015-11-12 05:40:22
● 2016-02-05 08:24:52
● 2016-04-25 15:35:52
○ 2020-01-12 12:25:38
○ 2026-08-12 03:20:38
●NStest2026-02-15 → 2026-08-12 · 3 obs
○ 2020-01-12 12:25:38
● 2026-02-15 22:28:32
● 2026-08-12 03:20:38
○MXmx11.spamquarantine.com2015-07-15 → 2020-01-12 · 5 obs
○ 2008-03-20 04:50:28
● 2015-07-15 14:09:38
● 2020-01-12 12:25:38
○ 2026-02-15 22:28:32
○ 2026-08-12 03:20:38
○MXmx12.spamquarantine.com2015-07-15 → 2020-01-12 · 5 obs
○ 2008-03-20 04:50:28
● 2015-07-15 14:09:38
● 2020-01-12 12:25:38
○ 2026-02-15 22:28:32
○ 2026-08-12 03:20:38
○MXmx13.spamquarantine.com2015-07-15 → 2020-01-12 · 5 obs
○ 2008-03-20 04:50:28
● 2015-07-15 14:09:38
● 2020-01-12 12:25:38
○ 2026-02-15 22:28:32
○ 2026-08-12 03:20:38
○MXmx14.spamquarantine.com2015-07-15 → 2020-01-12 · 5 obs
○ 2008-03-20 04:50:28
● 2015-07-15 14:09:38
● 2020-01-12 12:25:38
○ 2026-02-15 22:28:32
○ 2026-08-12 03:20:38
●MXnelcor-com.mail.protection.outlook.com2026-02-15 → 2026-08-12 · 3 obs
○ 2020-01-12 12:25:38
● 2026-02-15 22:28:32
● 2026-08-12 03:20:38
○MXnomail.bluegravity.com2008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 04:50:28
○ 2015-07-15 14:09:38
○ 2026-08-12 03:20:38
○A64.57.78.1482008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 04:50:28
○ 2015-07-15 14:09:38
○ 2026-08-12 03:20:38
○A74.112.73.182015-07-15 → 2016-04-25 · 5 obs
○ 2008-03-20 04:50:28
● 2015-07-15 14:09:38
● 2016-04-25 15:35:52
○ 2020-01-12 12:25:38
○ 2026-08-12 03:20:38
○A74.112.73.562020-01-12 → 2020-01-12 · 4 obs
○ 2016-04-25 15:35:52
● 2020-01-12 12:25:38
○ 2026-02-15 22:28:32
○ 2026-08-12 03:20:38
●A74.112.74.522026-02-15 → 2026-08-12 · 3 obs
○ 2020-01-12 12:25:38
● 2026-02-15 22:28:32
● 2026-08-12 03:20:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net...-
nelcor.comdns2.isolnet.com, dns1.isolnet.com2 records

✅ Authoritative Response

Server:74.112.74.218

NS records: dns2.isolnet.com, dns1.isolnet.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nelcor.com (unsigned zone)

⏱️ Timing

Total: 292ms | Queries: -

📄 Records

TypeCountSample Data
A174.112.74.52
NS10dns1.onlinespamsolutions.com, dns2.onlinespamsolutions.com...
MX1nelcor-com.mail.protection.outlook.com (
TXT2MS=ms88359106, v=spf1 include:spf.protection.outlook.co
SOA1obplesk01.onlinespamsolutions.com t\.nel

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns2.isolnet.com, dns1.isolnet.com)

Analysis

IP Addresses

nelcor.com points to a single IP number: 74.112.74.52.

Name Servers

nelcor.com delegates authority to 12 name servers: test, dns1.isolnet.com, dns2.isolnet.com plus 9 other.

The name servers of nelcor.com overlap at least partially with those of other domains — among them isolnet.com, sunshineacademy.com, incredibleart.ru and two more.

These name servers commonly appear in delegations together with gldns01.onlinespamsolutions.com, gldns02.onlinespamsolutions.com, obdns01.onlinespamsolutions.com and 7 other.

Host names pointing to a single IP address:

dns1.isolnet.com has the IP address 74.112.74.218.

dns2.isolnet.com has the IP address 23.25.0.218.

dns1.onlinespamsolutions.com has the IP address 74.112.74.218.

dns2.onlinespamsolutions.com has the IP address 74.112.74.219.

dns3.onlinespamsolutions.com has the IP address 23.25.0.218.

dns4.onlinespamsolutions.com has the IP address 23.25.0.219.

gldns01.onlinespamsolutions.com has the IP address 23.25.0.218.

gldns02.onlinespamsolutions.com has the IP address 23.25.0.219.

obdns01.onlinespamsolutions.com has the IP address 74.112.74.218.

obdns02.onlinespamsolutions.com has the IP address 74.112.74.219.

obplesk01.onlinespamsolutions.com has the IP address 74.112.74.48.

dns1.isolnet.com, dns1.onlinespamsolutions.com and obdns01.onlinespamsolutions.com are host names that all point to 74.112.74.218.

dns2.isolnet.com, dns3.onlinespamsolutions.com and gldns01.onlinespamsolutions.com are host names that all point to 23.25.0.218.

Both dns2.onlinespamsolutions.com and obdns02.onlinespamsolutions.com resolve to 74.112.74.219 IP addresses each.

Both dns4.onlinespamsolutions.com and gldns02.onlinespamsolutions.com resolve to 23.25.0.219 IP addresses each.

Mail Servers

nelcor.com has one mail server: nelcor-com.mail.protection.outlook.com.