holltro.com - robtex.com
holltro.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a02:2350:7:100:8112:350d:e974:2308🇳🇴 ONECOM2a02:2350::/32 One.com A/S | ||||||
| A | 104.37.38.113🇳🇴 ONECOM104.37.32.0/21 One.com A/S | ||||||
| NS | ns01.proisp.no ⭐ | ||||||
| A | 2001:67c:28cc::17ONECOM-INFRA2001:67c:28cc::/48 | ||||||
| PTR | ns01.proisp.no | ||||||
| A | 195.206.121.17ONECOM-INFRA195.206.121.0/24 | ||||||
| PTR | ns01.proisp.no | ||||||
| NS | ns02.proisp.no | ||||||
| A | 2001:67c:3c0::17🇩🇰 ONECOM2001:67c:3c0::/48 | ||||||
| PTR | ns02.proisp.no | ||||||
| A | 185.10.11.17ONECOM185.10.11.0/24 | ||||||
| PTR | ns02.proisp.no | ||||||
| MX | mx1-proisp-no.pub.mailpod1-osl1.one.com ⭐ | ||||||
| A | 104.37.38.155🇳🇴 ONECOM104.37.32.0/21 One.com A/S | ||||||
| PTR | mx1-proisp-no.pub.mailpod1-osl1.one.com | ||||||
| MX | mx2-proisp-no.pub.mailpod1-osl1.one.com ⭐ | ||||||
| A | 104.37.38.156🇳🇴 ONECOM104.37.32.0/21 One.com A/S | ||||||
| PTR | mx2-proisp-no.pub.mailpod1-osl1.one.com | ||||||
| MX | mx3-proisp-no.pub.mailpod1-osl1.one.com ⭐ | ||||||
| A | 104.37.38.157🇳🇴 ONECOM104.37.32.0/21 One.com A/S | ||||||
| PTR | mx3-proisp-no.pub.mailpod1-osl1.one.com | ||||||
| TXT | v=spf1 include:_spf.proisp.no +a +mx ~all | ||||||
| SOA | ns01.proisp.nohostmaster@proisp.no 2026-08-03 #1 | ||||||
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=1785791317 | ||||||
Previously MX for
holltro.com |
Same first word
holltro.com |
Similar names
DNS History
11 records (7 active, 4 former)
●NSns01.proisp.no2026-03-26 → 2026-08-03 · 3 obs
● 2026-03-26 15:19:04
● 2026-08-03 21:35:58
●NSns02.proisp.no2026-03-26 → 2026-08-03 · 3 obs
● 2026-03-26 15:19:04
● 2026-08-03 21:35:58
○NSns1.proisp.no2015-08-18 → 2018-01-12 · 4 obs
● 2018-01-12 12:09:30
○ 2026-03-26 15:19:04
○ 2026-08-03 21:35:58
○NSns2.proisp.no2015-08-18 → 2018-01-12 · 4 obs
● 2018-01-12 12:09:30
○ 2026-03-26 15:19:04
○ 2026-08-03 21:35:58
○MXholltro.com2015-08-18 → 2018-01-12 · 4 obs
● 2018-01-12 12:09:30
○ 2026-03-26 15:19:04
○ 2026-08-03 21:35:58
●MXmx1-proisp-no.pub.mailpod1-osl1.one.com2026-03-26 → 2026-08-03 · 3 obs
● 2026-03-26 15:19:04
● 2026-08-03 21:35:58
●MXmx2-proisp-no.pub.mailpod1-osl1.one.com2026-03-26 → 2026-08-03 · 3 obs
● 2026-03-26 15:19:04
● 2026-08-03 21:35:58
●MXmx3-proisp-no.pub.mailpod1-osl1.one.com2026-03-26 → 2026-08-03 · 3 obs
● 2026-03-26 15:19:04
● 2026-08-03 21:35:58
●A104.37.38.1132026-03-26 → 2026-08-03 · 3 obs
● 2026-03-26 15:19:04
● 2026-08-03 21:35:58
●A2a02:2350:7:100:8112:350d:e974:23082026-03-26 → 2026-08-03 · 3 obs
● 2026-03-26 15:19:04
● 2026-08-03 21:35:58
○A78.47.162.2082015-08-18 → 2018-01-12 · 4 obs
● 2018-01-12 12:09:30
○ 2026-03-26 15:19:04
○ 2026-08-03 21:35:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net... | - |
| holltro.com | ns01.proisp.no, ns02.proisp.no | - |
✅ Authoritative Response
Server:185.10.11.17
NS records: ns01.proisp.no, ns02.proisp.no
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for holltro.com (unsigned zone)
⏱️ Timing
Total: 742ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 104.37.38.113 |
| AAAA | 1 | 2a02:2350:7:100:8112:350d:e974:2308 |
| NS | 2 | ns01.proisp.no, ns02.proisp.no |
| MX | 3 | mx1-proisp-no.pub.mailpod1-osl1.one.com , mx2-proisp-no.pub.mailpod1-osl1.one.com ... |
| TXT | 1 | v=spf1 include:_spf.proisp.no +a +mx ~al |
| SOA | 1 | ns01.proisp.no hostmaster.proisp.no |
Analysis
IP Addresses
holltro.com resolves to the IP addresses 104.37.38.113 and 2a02:2350:7:100:8112:350d:e974:2308
haukanes.net, hittravel.no, tbhd.no and two other host names share IP numbers with holltro.com.
Name Servers
The NS records for holltro.com delegate to ns01.proisp.no and ns02.proisp.no.
holltro.com uses the same name servers as several other domains — among them sciencelinker.no, databaseconsulting.no, benz.no and two more.
ns01.proisp.no resolves to 195.206.121.17 and 2001:67c:28cc::17. Likewise, ns02.proisp.no resolves to 185.10.11.17 and 2001:67c:3c0::17 — two IP addresses apiece.
Mail Servers
holltro.com is handled by three mail servers: mx1-proisp-no.pub.mailpod1-osl1.one.com, mx2-proisp-no.pub.mailpod1-osl1.one.com and mx3-proisp-no.pub.mailpod1-osl1.one.com.
holltro.com has at least partial mail server overlap with other domains such as framkino.com, stepbystep.no, kolbjornsen.no and two more.
mx1-proisp-no.pub.mailpod1-osl1.one.com has IP address 104.37.38.155, mx2-proisp-no.pub.mailpod1-osl1.one.com has IP address 104.37.38.156 and mx3-proisp-no.pub.mailpod1-osl1.one.com has IP address 104.37.38.157 — one address each.