asp-holmblad.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 24 February 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 34.193.83.23 is hosted by Amazon.com, Inc. (AS14618) in United States. Mail is handled by aspholmblad-dk0i.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 34.193.83.23 | — | ec2-34-193-83-23.compute-1.amazonaws.com | AS14618 | Amazon.com, Inc. | 34.192.0.0/12 | 🇺🇸 United States | — |
| TXT Record |
|---|
| v=spf1 ip4:176.20.27.230 ip4:194.182.40.2 include:spf.protection.outlook.com ~all |
| Policy | Record (asp-holmblad.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:176.20.27.230 ip4:194.182.40.2 include:spf.protection.outlook.com ~all |
| Policy | Record (_dmarc.asp-holmblad.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | 34.193.83.23 (AS14618) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u23654275.wl026.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u23654275.wl026.sendgrid.net | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026060901 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 1999-02-24 |
| Expires | 2027-03-31 (159d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 12:10:59 | 2353ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 05:25:00 | 1259ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 07:26:19 | 1202ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 21:32:11 | 3344ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-10 10:55:57 | 1515ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-13 17:29:36 | 12581ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 00:45:34 | 1101ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 13:34:41 | 1172ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 07:55:41 | 918ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 13:45:23 shown | 1164ms | 2 NS 1 A 1 MX | 🔒 Secure |