Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nhg.nl
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 23:03:33 UTC · ↺ Refresh
MX Hostnames
- nhg-nl.q-v1.mx.microsoft
MX Priorities
- nhg-nl.q-v1.mx.microsoft: 0
A / AAAA Records
- 162.159.140.127 (no PTR)
Mail Server IPs
- 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
nsauth1.introweb.nl postmaster.introweb.nl 2022111101 28800 7200 604800 86400
Primary NS (mname)
nsauth1.introweb.nl
Admin Email (rname)
postmaster@introweb.nl
Serial
2022111101
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
nsauth3.introweb.net
nsauth2.introweb.nl
nsauth1.introweb.nl
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:46.31.48.0/21 ip4:213.154.238.81 ip4:51.105.196.149 ip4:52.157.104.46 ip4:82.94.167.224 ip4:82.94.240.112/28 ip4:87.251.53.86 ip4:52.58.42.15 ip4:35.157.102.14 ip4:35.156.112.28 ip4:52.18.10.62 ip4:52.208.39.99 ip4:84.247.9.119 ip4:99.80.177.69 include:spf.topdesk.net include:spf.afas.online include:creditcloud.nl a:bulkmail.marketresponse.nl a:mx10.monitoring.sps.nl -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected];fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
15 records- _acme-challenge.dmtdatabricks
- SPFv=spf1 include:spf.protection.outlook.com ip4:46.31.48.0/21 ip4:213.154.238.81 ip4:51.105.196.149 ip4:52.157.104.46 ip4:82.94.167.224 ip4:82.94.240.112/28 ip4:87.251.53.86 ip4:52.58.42.15 ip4:35.157.102.14 ip4:35.156.112.28 ip4:52.18.10.62 ip4:52.208.39.99 ip4:84.247.9.119 ip4:99.80.177.69 include:spf.topdesk.net include:spf.afas.online include:creditcloud.nl a:bulkmail.marketresponse.nl a:mx10.monitoring.sps.nl -all
- d365mktkey=xcVwaB3EB4KohfhMlVVPqOxAd0xpZIsmDZJabPxnxU0x
- d365mktkey=24DmXMoqlSZNUS4ZdKISlzb3oGQj4PUiGc98T9GRd8Ax
- d365mktkey=cRcWpzQawYepYiV6ZiSuxMTixsvmyNDxumwaRsUxYOcx
- d365mktkey=BPxLXmKH4807fOYD9fV11iW8wt9m2SfSaYOoKiuWExEx
- d365mktkey=0VnGBHoiBhriPKcKBREUIrBLoVRkCKVAbp38LcEiubEx
- _acme-challenge.www.werkenbij.nhg.nl
- d365mktkey=wLxcCV3yYYs2NLTpT4W6a9Geopmtdb3OZ8je1BFsONMx
- d365mktkey=25kt6AVzPhLktwZiRf1QLkRkZdqLxWTAblBr6oTEUKwx
- atlassian-domain-verification=44QHpCzSysD8ZPEdnahD1EMHoXNbR8nL671XUh6T+cadOX70tobEbhQJUo62C7bG
- MS=ms36538690
- d365mktkey=bl1LIDq8MauECxGusqxzGGJAVAme94gGjXycRWbWhd8x
- d365mktkey=ES2jBnTgGecwn1VpSlvblxzDoXdpX8yI5Bbk5U0Gbt8x
- _acme-challenge.werkenbij.nhg.nl
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