modstroem.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 2 November 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.140.127 is hosted by Cloudflare, Inc. (AS13335) in United States. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 162.159.140.127 | 2815s | — | AS13335 | Cloudflare, Inc. | 162.159.128.0/19 | 🇺🇸 United States | — |
| 172.66.0.125 | 2815s | — | AS13335 | Cloudflare, Inc. | 172.66.0.0/22 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:7::7d | 3600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/43 | 🇺🇸 United States | San Francisco |
| 2a06:98c1:58::7d | 3600s | — | AS13335 | Cloudflare, Inc. | 2a06:98c1:58:0:0:0:0:0/47 | 🇺🇸 United States | — |
| TXT Record |
|---|
| _globalsign-domain-verification=Y-UgwavtGeXySZ1TvOoTy0jEqt2CVyBht5HsFhOgjV |
| GMiYFTh4E3FDxeoefTs+gWA1BgIJZnf/tSW4JwJY/eBbP5RmwbTWtT8ac79xMAPEfgp+Si9Kh1cHjkJfXUEreg== |
| google-site-verification=Fjoyg5W1RKfxEqN8jLAsLL6gw1zV2bs0nPQ5ZIREv30 |
| v=spf1 include:_modstroem_dk.spf-protect.com -all |
| Policy | Record (modstroem.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_modstroem_dk.spf-protect.com -all |
| Policy | Record (_dmarc.modstroem.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:655df7a368382@dmarc.centerasecurity.com; |
| www CNAME | dns.umbraco.io (all on umbraco.io) |
| www vs bare domain | Same network modstroem.dk: 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335) www.modstroem.dk: 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 2048 bit |
| s1 | s1.domainkey.u9003653.wl154.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u9003653.wl154.sendgrid.net | RSA · ~1024 bit below 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: 4/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100706 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2007-11-02 |
| Expires | 2027-04-30 (187d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 06:46:15 | 514ms | 4 NS 2 A 3 MX | 🔒 Secure |
| 2026-10-07 21:20:39 shown | 2102ms | 4 NS 2 A 3 MX | 🔒 Secure |
| 2026-10-02 16:02:34 | 547ms | 4 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-30 15:50:05 | 732ms | 4 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-27 16:20:48 | 911ms | 4 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-23 15:29:16 | 951ms | 4 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-18 20:57:58 | 719ms | 4 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-16 08:20:58 | 1189ms | 4 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-12 18:02:33 | 938ms | 4 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-12 08:25:21 | 1168ms | 4 NS 2 A 3 MX | 🔒 Secure |
| 2026-08-26 19:11:48 | 780ms | 4 NS 2 A 3 MX | 🔒 Secure |
| 2026-08-25 15:36:05 | 2884ms | 4 NS 2 A 3 MX | 🔒 Secure |
| 2026-08-18 22:47:31 | 10740ms | 4 NS 2 A 3 MX | 🔒 Secure |
| 2026-08-10 03:28:42 | 17331ms | 4 NS 2 A 3 MX | 🔒 Secure |
| 2026-08-02 15:46:55 | 1257ms | 4 NS 2 A 3 MX | 🔒 Secure |
| 2026-07-18 03:41:46 | 3251ms | 4 NS 2 A 3 MX | 🔒 Secure |
| 2026-07-14 07:00:38 | 1495ms | 4 NS 2 A 3 MX | 🔒 Secure |
| 2026-06-25 07:33:13 | 648ms | 4 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-22 00:15:54 | 634ms | 4 NS 2 A 3 MX | 🔒 Secure |
| 2026-06-19 09:17:17 | 1003ms | 4 NS 2 A 3 MX | 🔒 Secure |
| 2026-06-18 00:14:41 | 2951ms | 4 NS 2 A 3 MX | 🔒 Secure |