glas4u.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 19 April 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.137.118.22 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by mx-dfw.smtp.directrouter.com, mx-lon.smtp.directrouter.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 3.137.118.22 | 3600s | ec2-3-137-118-22.us-east-2.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 3.128.0.0/10 | 🇺🇸 United States | Columbus |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx-dfw.smtp.directrouter.com | 3.23.202.173 | mx1-ohi.smtp.directrouter.com | AS16509 Amazon.com, Inc. |
| 20 | 3600s | mx-lon.smtp.directrouter.com | 34.147.189.117 | mx1-lon.smtp.directrouter.com | AS396982 Google LLC |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2600:1f16:1d52:a302:1286:56bf:b5fc:335b | 3600s | — | AS16509 | Amazon.com, Inc. | 2600:1f16:0:0:0:0:0:0/31 | 🇺🇸 United States | Columbus |
| TXT Record |
|---|
| v=spf1 +a +mx +ip4:3.137.118.22 include:relay.mailchannels.net ~all |
| Policy | Record (glas4u.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx +ip4:3.137.118.22 include:relay.mailchannels.net ~all |
| www | 3.137.118.22 2600:1f16:1d52:a302:1286:56bf:b5fc:335b (AS16509) (address records, no CNAME) |
| www vs bare domain | Same network glas4u.dk: 3.137.118.22 2600:1f16:1d52:a302:1286:56bf:b5fc:335b (AS16509) www.glas4u.dk: 3.137.118.22 2600:1f16:1d52:a302:1286:56bf:b5fc:335b (AS16509) |
| 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 |
DNS lookups: 3/10 · 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 | 2026100200 |
| 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 | 2017-04-19 |
| Expires | 2027-04-30 (194d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 22:00:54 shown | 481ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 20:58:48 | 552ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 20:43:12 | 726ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 11:09:08 | 588ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 16:35:12 | 2155ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 14:18:24 | 3456ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 17:55:33 | 965ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 15:58:43 | 910ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 09:18:16 | 1584ms | 3 NS 1 A 2 MX | 🔒 Secure |