holcol.com - dns.ninja

holcol.com

DNSSEC⚠️ Not signed
A2a07:7800::218πŸ‡¬πŸ‡§ TWENTYI2a07:7800::/48
A185.146.167.202πŸ‡¬πŸ‡§ TWENTYI185.146.167.0/24
NSns1.stackdns.com ⭐
A35.197.225.59πŸ‡¬πŸ‡§ Google35.197.224.0/20
PTR59.225.197.35.bc.googleusercontent.com
NSns2.stackdns.com
A146.148.28.88πŸ‡§πŸ‡ͺ Google146.148.16.0/20
PTR88.28.148.146.bc.googleusercontent.com
NSns3.stackdns.com ⚠️ Not in parent delegation
A35.198.79.191πŸ‡©πŸ‡ͺ Google35.198.64.0/20
PTR191.79.198.35.bc.googleusercontent.com
NSns4.stackdns.com ⚠️ Not in parent delegation
A104.196.137.209πŸ‡ΊπŸ‡Έ Google104.196.128.0/20
PTR209.137.196.104.bc.googleusercontent.com
MXmx.stackmail.com ⭐
A185.151.28.67πŸ‡¬πŸ‡§ TWENTYI185.151.28.0/24
PTRmx.stackmail.com
TXTv=spf1 include:spf.stackmail.com a mx -all
SOAns1.stackdns.comhostmaster@stackdns.com serial=1750210244

com

PTR for

Previously MX for

Subdomains

Same first word

Similar names

DNS History

14 records (7 active, 7 former)

2008201020122014201620182020202220242026NSns1.stackdns.comns2.stackdns.comns3.stackdns.comns4.stackdns.comdns1.anhosting.comdns1.midphase.comdns2.anhosting.comdns2.midphase.comMXmx.stackmail.comholcol.comA185.146.167.2022a07:7800::218173.255.128.156216.104.34.226
β—‹NSdns1.anhosting.com2015-05-28 β†’ 2017-08-11 Β· 5 obs
β—‹ 2007-10-23 07:16:40
● 2015-05-28 14:26:04
● 2017-08-11 13:55:12
β—‹ 2026-03-26 17:12:04
β—‹ 2026-07-25 04:43:52
β—‹NSdns1.midphase.com2007-10-23 β†’ 2007-10-23 Β· 3 obs
● 2007-10-23 07:16:40
β—‹ 2015-05-28 14:26:04
β—‹ 2026-07-25 04:43:52
β—‹NSdns2.anhosting.com2015-05-28 β†’ 2017-08-11 Β· 5 obs
β—‹ 2007-10-23 07:16:40
● 2015-05-28 14:26:04
● 2017-08-11 13:55:12
β—‹ 2026-03-26 17:12:04
β—‹ 2026-07-25 04:43:52
β—‹NSdns2.midphase.com2007-10-23 β†’ 2007-10-23 Β· 3 obs
● 2007-10-23 07:16:40
β—‹ 2015-05-28 14:26:04
β—‹ 2026-07-25 04:43:52
●NSns1.stackdns.com2026-03-26 β†’ 2026-07-25 Β· 3 obs
β—‹ 2017-08-11 13:55:12
● 2026-03-26 17:12:04
● 2026-07-25 04:43:52
●NSns2.stackdns.com2026-03-26 β†’ 2026-07-25 Β· 3 obs
β—‹ 2017-08-11 13:55:12
● 2026-03-26 17:12:04
● 2026-07-25 04:43:52
●NSns3.stackdns.com2026-03-26 β†’ 2026-07-25 Β· 3 obs
β—‹ 2017-08-11 13:55:12
● 2026-03-26 17:12:04
● 2026-07-25 04:43:52
●NSns4.stackdns.com2026-03-26 β†’ 2026-07-25 Β· 3 obs
β—‹ 2017-08-11 13:55:12
● 2026-03-26 17:12:04
● 2026-07-25 04:43:52
β—‹MXholcol.com2007-10-23 β†’ 2017-08-11 Β· 4 obs
● 2007-10-23 07:16:40
● 2017-08-11 13:55:12
β—‹ 2026-03-26 17:12:04
β—‹ 2026-07-25 04:43:52
●MXmx.stackmail.com2026-03-26 β†’ 2026-07-25 Β· 3 obs
β—‹ 2017-08-11 13:55:12
● 2026-03-26 17:12:04
● 2026-07-25 04:43:52
β—‹A173.255.128.1562015-05-28 β†’ 2017-08-11 Β· 5 obs
β—‹ 2007-10-23 07:16:40
● 2015-05-28 14:26:04
● 2017-08-11 13:55:12
β—‹ 2026-03-26 17:12:04
β—‹ 2026-07-25 04:43:52
●A185.146.167.2022026-03-26 β†’ 2026-07-25 Β· 3 obs
β—‹ 2017-08-11 13:55:12
● 2026-03-26 17:12:04
● 2026-07-25 04:43:52
β—‹A216.104.34.2262007-10-23 β†’ 2007-10-23 Β· 3 obs
● 2007-10-23 07:16:40
β—‹ 2015-05-28 14:26:04
β—‹ 2026-07-25 04:43:52
●A2a07:7800::2182026-03-26 β†’ 2026-07-25 Β· 3 obs
β—‹ 2017-08-11 13:55:12
● 2026-03-26 17:12:04
● 2026-07-25 04:43:52

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
holcol.comns1.stackdns.com, ns2.stackdns.com2 records

βœ… Authoritative Response

Server:35.197.225.59

NS records: ns1.stackdns.com, ns2.stackdns.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for holcol.com (unsigned zone)

⏱️ Timing

Total: 344ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1185.146.167.202
AAAA12a07:7800::218
NS4ns4.stackdns.com, ns1.stackdns.com...
MX1mx.stackmail.com (pri: 10)
TXT1v=spf1 include:spf.stackmail.com a mx -a
SOA1ns1.stackdns.com hostmaster.stackdns.com

πŸ“Œ Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.stackdns.com, ns2.stackdns.com)

Analysis

Hierarchy

www.holcol.com is delegated beneath holcol.com.

IP Addresses

holcol.com has two IP addresses: 185.146.167.202 and 2a07:7800::218

122-235-154-202.wol.net.pk, ns1.httpreg.com, a.alumni.stidnatsir.ac.id plus two other host names have IP numbers in common with holcol.com.

Name Servers

Four name servers handle the delegation for holcol.com: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com and ns4.stackdns.com.

There is at least partial name server overlap between holcol.com and other domains β€” gdowd4.com, ujima.org.uk, satbains.com and two more among them.

Four host names, each with one IP address: ns1.stackdns.com has 35.197.225.59, ns2.stackdns.com has 146.148.28.88, ns3.stackdns.com has 35.198.79.191 and ns4.stackdns.com has 104.196.137.209.

Mail Servers

holcol.com uses one mail server β€” mx.stackmail.com.

The mail server setup of holcol.com matches that of other domains such as bardmusicwest.org, bruckmanngmbh.de, speakingoftranslation.com and two others.

Some mail servers of holcol.com are also used by other domains, notably dustandgrooves.com and crowcombecourt.co.uk.

mx.stackmail.com has exactly one IP number: 185.151.28.67.