DNS Record Lookup
Look up DNS records including A, AAAA, MX, NS, SOA, CNAME, TXT, and CAA records for any domain
Hosting & Network
serwis4u.com runs on AS197155, with email configured.
- Hosting network
- AS197155AS197155
- Managed DNS
- Self-hosted / other
- Configured
- IPv6 (AAAA)
- Not enabled
- CAA pinning
- None
Sits alongside 3,199 other sites on AS197155. Stable here since we started watching (Sep 11, 2026).
The apex and www are the same hosting — the apex via A records.
DNS Records for serwis4u.com
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| serwis4u.com | A | 0 | 185.17.40.66 | |
| serwis4u.com | SOA | 86400 | ns1.serwis4u.com hostmaster.serwis4u.com 2026011603 3600 3600 1209600 86400 | |
| serwis4u.com | MX | 0 | 10 | mail.serwis4u.com |
| serwis4u.com | TXT | 0 | v=spf1 a mx ip4:185.17.40.66 include:_spf.mlsend.com ~all | |
| serwis4u.com | TXT | 0 | google-site-verification=l9CFTqDtG1fraWFUeR-HNMV0MiMe2HDIYx9vbjazHl8 | |
| serwis4u.com | TXT | 0 | mailerlite-domain-verification=99bf0cea71eb33b819f6aa63c5cbf030eb27a321 | |
| serwis4u.com | NS | 0 | ns2.serwis4u.com | |
| serwis4u.com | NS | 0 | ns1.serwis4u.com | |
| www.serwis4u.com | A | 0 | 185.17.40.66 |
Get alerted the moment serwis4u.com's DNS changes
This page is today's snapshot. Turn on monitoring and we'll watch serwis4u.com continuously, notifying you the moment anything moves across all three signals:
Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
DNS changes
We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.
TLS certificate
We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.
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About DNS Records
DNS (Domain Name System) records are instructions that provide information about a domain, including its IP addresses, mail servers, and other services. Common record types include:
- SOA (Start of Authority) - Contains administrative information about the zone
- NS (Nameserver) - Specifies authoritative nameservers for the domain
- A (Address) - Maps a domain to an IPv4 address
- AAAA - Maps a domain to an IPv6 address
- CNAME (Canonical Name) - Creates an alias pointing to another domain
- MX (Mail Exchange) - Specifies mail servers for the domain