f4s.nl - robtex.com
f4s.nl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 46.182.180.40🇳🇱 InfoPact-AS46.182.176.0/21 | ||||||
| PTR | mail.exactnet7.nl | ||||||
| NS | ns1.exactnet6.nl ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns1.exactnet7.nl ⚠️ Not in zone NS records | ||||||
| A | 46.182.180.40🇳🇱 InfoPact-AS46.182.176.0/21 | ||||||
| PTR | mail.exactnet7.nl | ||||||
| NS | ns2.exactnet.be ⚠️ Not in zone NS records | ||||||
| A | 46.17.9.69🇳🇱 AS3959146.17.8.0/22 | ||||||
| PTR | ns2.exactnet.nl | ||||||
| NS | ns2.exactnet.nl ⚠️ Not in parent delegation | ||||||
| A | 46.17.9.69🇳🇱 AS3959146.17.8.0/22 | ||||||
| PTR | ns2.exactnet.nl | ||||||
| NS | ns3.exactnet.eu ⚠️ Not in zone NS records | ||||||
| A | 46.17.9.76🇳🇱 AS3959146.17.8.0/22 | ||||||
| PTR | ns3.exactnet.nl | ||||||
| MX | f4s-nl.mail.protection.outlook.com ⭐ | ||||||
| A | 2a01:111:f403:ca04::2🇮🇪 Microsoft2a01:111:f000::/36 | ||||||
| PTR | mail-du2pr03cu00102.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:ca04::e | ||||||
| A | 2a01:111:f403:ca09::7 | ||||||
| A | 2a01:111:f403:ca09::20 | ||||||
| A | 52.101.68.29 | ||||||
| A | 52.101.73.6 | ||||||
| A | 52.101.73.11 | ||||||
| A | 52.101.73.12 | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com -all | ||||||
| SOA | ns1.exactnet6.nlsjmulder@force4solutions.com 2021-07-27 #1 | ||||||
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-07-11 09:00:01 +0000 (EPOCH 1783760401) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-07-11 #18 | ||||||
Same first word
Similar names
DNS History
10 records (7 active, 3 former)
●NSns1.exactnet6.nl2015-07-25 → 2026-07-11 · 2 obs
● 2026-07-11 09:51:42
●NSns1.exactnet7.nl2026-06-12 → 2026-07-11 · 3 obs
● 2026-06-12 10:02:02
● 2026-07-11 09:51:42
●NSns2.exactnet.be2026-06-12 → 2026-07-11 · 3 obs
● 2026-06-12 10:02:02
● 2026-07-11 09:51:42
●NSns2.exactnet.nl2015-07-25 → 2026-07-11 · 2 obs
● 2026-07-11 09:51:42
●NSns3.exactnet.eu2026-06-12 → 2026-07-11 · 3 obs
● 2026-06-12 10:02:02
● 2026-07-11 09:51:42
●MXf4s-nl.mail.protection.outlook.com2026-06-12 → 2026-07-11 · 3 obs
● 2026-06-12 10:02:02
● 2026-07-11 09:51:42
○MXfallback.exactnet.nl2015-07-25 → 2016-08-28 · 4 obs
● 2016-08-28 11:44:32
○ 2017-06-01 08:30:40
○ 2026-07-11 09:51:42
○MXmail.f4s.nl2015-07-25 → 2017-06-01 · 4 obs
● 2017-06-01 08:30:40
○ 2026-06-12 10:02:02
○ 2026-07-11 09:51:42
○MXmx02.hostedxchange.nl2017-06-01 → 2017-06-01 · 4 obs
● 2017-06-01 08:30:40
○ 2026-06-12 10:02:02
○ 2026-07-11 09:51:42
●A46.182.180.402015-07-25 → 2026-07-11 · 2 obs
● 2026-07-11 09:51:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns1.dns.nl, ns4.dns.nl, ns3.dns.nl | - |
| f4s.nl | ns1.exactnet7.nl, ns2.exactnet.be, ns3.exactnet.eu | 1 record |
✅ Authoritative Response
Server:46.17.9.76
NS records: ns1.exactnet7.nl, ns2.exactnet.be, ns3.exactnet.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for f4s.nl (unsigned zone)
⏱️ Timing
Total: 2630ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.182.180.40 |
| NS | 2 | ns1.exactnet6.nl, ns2.exactnet.nl |
| MX | 1 | f4s-nl.mail.protection.outlook.com (pri: |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.exactnet6.nl sjmulder.force4solution |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns1.exactnet7.nl)
Analysis
IP Addresses
f4s.nl resolves to just one IP address, 46.182.180.40.
Two other host names, along with aspnet-hosting.nl, mail.cheggr.com and woningplaatsen.nl, also share IP numbers with f4s.nl.
Name Servers
f4s.nl delegates to five name servers: ns2.exactnet.be, ns3.exactnet.eu, ns2.exactnet.nl and two others.
f4s.nl has at least partial name server overlap with other domains, such as venemabouw.nl, nolimithelpem.nu, topbalance.nl and two others.
ns1.exactnet7.nl, ns1.exactnet2.nl and ns3.exactnet.nl — plus 7 other name servers — are commonly paired with these name servers.
Each host directs to a single IP address: ns2.exactnet.be to 46.17.9.69, ns3.exactnet.eu to 46.17.9.76, ns2.exactnet.nl to 46.17.9.69 and ns1.exactnet7.nl to 46.182.180.40.
ns2.exactnet.be and ns2.exactnet.nl each have 46.17.9.69 IP addresses.
Mail Servers
The sole mail server for f4s.nl is f4s-nl.mail.protection.outlook.com.
With 8 IP addresses total, f4s-nl.mail.protection.outlook.com resolves to 52.101.68.29, 52.101.73.6, 52.101.73.11 and 5 others.