Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hollandamerica.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 03:56:56 UTC · ↺ Refresh
MX Hostnames
- hollandamerica-com.mail.protection.outlook.com
- carnival-com.mail.protection.outlook.com
MX Priorities
- carnival-com.mail.protection.outlook.com: 20
- hollandamerica-com.mail.protection.outlook.com: 10
A / AAAA Records
- 23.34.161.149
Mail Server IPs
- 52.101.41.180 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90f::1 ↩ mail-sa9pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.42.14 ↩ mail-mw2pr04cu00106.inbound.protection.outlook.com
- 52.101.194.0
- 52.101.194.15
- 2a01:111:f403:c902::
- 2a01:111:f403:c803::
- 2a01:111:f403:c91d::
SOA Record
Raw SOA
usw1.akam.net hostmaster.akamai.com 2013021991 10800 3600 2592000 86400
Primary NS (mname)
usw1.akam.net
Admin Email (rname)
hostmaster@akamai.com
Serial
2013021991
Refresh
10800s
Retry
3600s
Expire
2592000s
Minimum TTL
86400s
Nameservers (NS)
eur2.akam.net
eur6.akam.net
usc4.akam.net
ns1-185.akam.net
usw1.akam.net
ns1-195.akam.net
use9.akam.net
use2.akam.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:46.31.48.0/21 ip4:52.212.19.177 ip4:151.124.33.15 ip4:151.124.33.16 ip4:151.124.33.25 ip4:52.17.62.50 ip4:3.252.108.176/28 ip4:13.39.103.16/28 ip4:151.124.33.18 include:spf.protection.outlook.com include:spf.extole.io include:musvc.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
24 records- try-hack-me-domain-verification-8gmt4d=8aIK9XDNki3ZWGZNQzRBjEm1G
- google-site-verification=U12zhBImEIi280Af2YweYCdRpTE-pSVRM_IcYNzcyFg
- knowbe4-site-verification=87f853c8a6c7a37a55c53ae74128096d
- openai-domain-verification=dv-QwwuGmjj4YzRMiPBKnvdnqPO
- google-site-verification=UgPStq1_0His6gma9nxl03v8FI4RkmCubaV977zmqlI
- google-site-verification=36ubBmRBCG3qgwmiyBE9Uf3WzLBfM4jx9IpxJWCvnQo
- dqsofw6g5qv9v2skl0uj491g5699gr
- atlassian-domain-verification=a6JfDVFlqMkTtnCkDXNte0GX0EYmBV7T6n7Htl1kT6xW/jkyJt1EWoqQL5VGKwqD
- google-site-verification=unDQ0rp0u8yOAh6-PpSYD7elmd6vOD_OPL8LHsrEdEM
- facebook-domain-verification=dqsofw6g5qv9v2skl0uj491g5699gr
- knowbe4-site-verification=570012aca8f54a96f40e6cb1c275a2c3
- DFLEUxcsUqKtMT9zOnXFbqDwlCqufKbWjgHKSHju0evlLNWLLjih4DPfYxd4c/wgJkpWge4muhLq9BulmsAlDg==
- apple-domain-verification=456tDaAGgHDssDeZ
- onetrust-domain-verification=a085f4a1eeec454ab7425ebc026c2830
- smartsheet-site-validation=XEUOlf337oD_hTXYI5g3AWSqW-Jjdkml
- google-site-verification=coHSbHgDb-I9B2BhonimG6RkEdR2_gkuJkr5Ux8MZa0
- google-site-verification=2bOlM6zroFNAdh5RiAt2DPLhPcZXt-oNOMPm8-CiSuI
- _nhuwpce5hqds9yd9vdk6fjf1me21v0o
- google-site-verification=1iYLc5yTmRS1rVRukvqz87806id4g6eyLLFuV6GfBxY
- H5tnaFsjQFgUCNlznCwlv8rvQyE3vOyIjN2sFw7fTReXMUC28me4ZNclm/in8W4GogBfxeA0YBPmge0rdIEApA==
- google-site-verification=Iq64qbTWCaTeoPK98QyIwYfCpb9aRQhDwqph0p68Zhc
- 8/Gh+i54Xwhcm28+p0QWz9kKwtsnA+aybMFvf8eMMyY=
- _zyafdg9zde5u7zy8jeljg66oiqbkq85
- SPFv=spf1 ip4:46.31.48.0/21 ip4:52.212.19.177 ip4:151.124.33.15 ip4:151.124.33.16 ip4:151.124.33.25 ip4:52.17.62.50 ip4:3.252.108.176/28 ip4:13.39.103.16/28 ip4:151.124.33.18 include:spf.protection.outlook.com include:spf.extole.io include:musvc.com -all
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