irwd.com

Valid Email Server
Domain Lookup › irwd.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
irwd.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-06-03 08:58:40 UTC · ↺ Refresh

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MX Hostnames

  • irwd-com.mail.protection.outlook.com

MX Priorities

  • irwd-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 50.57.222.78 (no PTR)

Mail Server IPs

  • 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
  • 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
  • 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
  • 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA ns73.worldnic.com namehost.worldnic.com 126052815 10800 3600 604800 3600
Primary NS (mname)
ns73.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126052815
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns74.worldnic.com
ns73.worldnic.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:50.57.222.76 ip4:50.57.222.77 ip4:50.57.222.78 ip4:192.53.126.199/32 ip4:166.78.41.149/32 ip4:76.209.191.2/32 ip4:192.237.193.77/32 ip4:173.230.147.69/32 ip4:45.79.93.49/32 ip4:45.79.78.198/32 ip4:45.79.112.59/32 ip4:173.255.219.116/32 ip4:45.33.121.59/32 include:spf.protection.outlook.com include:_xnspf.paymentus.com include:everbridge.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];ri=86400;fo=0:1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

9 records
  • MS=6DD30189AE164E10396B260FDB102E9380C71B12
  • apple-domain-verification=ttFK2WCr2QA2WBny
  • ghhdtzf3pr60v6z22bpd5zd07qss2mrh
  • p3g9g59btdgkdtn3zc3l790zlzzglrdy
  • google-site-verification=ZbAPNQscQ1vft7XY9pIhF4ZD9MVWJRukGaQz7EWON2g
  • f5v1jw153w436zply5g4h9ks8b6f63qc
  • SPFv=spf1 ip4:50.57.222.76 ip4:50.57.222.77 ip4:50.57.222.78 ip4:192.53.126.199/32 ip4:166.78.41.149/32 ip4:76.209.191.2/32 ip4:192.237.193.77/32 ip4:173.230.147.69/32 ip4:45.79.93.49/32 ip4:45.79.78.198/32 ip4:45.79.112.59/32 ip4:173.255.219.116/32 ip4:45.33.121.59/32 include:spf.protection.outlook.com include:_xnspf.paymentus.com include:everbridge.net ~all
  • _zz54y7uusbdez6gpftl4wo4rzkkrs38
  • _jmtmkl16kq446uibh7qrvczdcuzsf8s
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